- Improved sketching

Fix sketcher mode handling to prevent unintended line creation during drag operations
2026-06-20 19:57:07 +02:00 · 2025-11-16 17:48:05 +01:00 · 2025-08-16 22:30:18 +02:00 · 2025-08-16 20:33:44 +02:00 · 2025-06-01 10:08:35 +02:00 · 2025-06-01 10:05:29 +02:00
926 changed files with 180701 additions and 13 deletions
@@ -0,0 +1,3 @@
+*.xml
+*.iml
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+    <MESSAGE value="- Renabled extrusion with new object system" />
+    <MESSAGE value="- Sketch projection partly works again :)" />
+    <MESSAGE value="- Added new componnt controls" />
+    <MESSAGE value="- changing compos for sketches works" />
+    <MESSAGE value="- changing compos including sketches and bodies" />
+    <MESSAGE value="- Drawing bodys depending on the selected compo&#10;- Cut working&#10;- Edit sketch working" />
+    <MESSAGE value="- delete sketch working&#10;- added mid point snap&#10;- added hovering line with distance" />
+    <MESSAGE value="- Added new buttons and settings" />
+    <MESSAGE value="- Added construction lines switching&#10;- Moved callbacks into sketchwidget from main.&#10;- Changed reset on right click" />
+    <MESSAGE value="- Added contrain displayed next to line&#10;- Slight change to point check from solver." />
+    <MESSAGE value="- Added enabling of midpsnap and prepared others&#10;- Show dimesnion on hover" />
+    <MESSAGE value="- Fixed redraw when component changed" />
+    <MESSAGE value="- added MIT license" />
+    <MESSAGE value="- added screenshot" />
+    <MESSAGE value="- added sdf folder ( doesnt work via pip or git=)" />
+    <MESSAGE value="- Improved sketching" />
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+# -*- coding: utf-8 -*-
+
+################################################################################
+## Form generated from reading UI file 'gui.ui'
+##
+## Created by: Qt User Interface Compiler version 6.6.1
+##
+## WARNING! All changes made in this file will be lost when recompiling UI file!
+################################################################################
+
+from PySide6.QtCore import (QCoreApplication, QDate, QDateTime, QLocale,
+    QMetaObject, QObject, QPoint, QRect,
+    QSize, QTime, QUrl, Qt)
+from PySide6.QtGui import (QAction, QBrush, QColor, QConicalGradient,
+    QCursor, QFont, QFontDatabase, QGradient,
+    QIcon, QImage, QKeySequence, QLinearGradient,
+    QPainter, QPalette, QPixmap, QRadialGradient,
+    QTransform)
+from PySide6.QtWidgets import (QApplication, QFrame, QGridLayout, QGroupBox,
+    QHBoxLayout, QLabel, QListWidget, QListWidgetItem,
+    QMainWindow, QMenu, QMenuBar, QPushButton,
+    QSizePolicy, QSpinBox, QStatusBar, QTabWidget,
+    QTextEdit, QVBoxLayout, QWidget)
+
+class Ui_fluencyCAD(object):
+    def setupUi(self, fluencyCAD):
+        if not fluencyCAD.objectName():
+            fluencyCAD.setObjectName(u"fluencyCAD")
+        fluencyCAD.resize(2192, 1109)
+        self.actionNew_Project = QAction(fluencyCAD)
+        self.actionNew_Project.setObjectName(u"actionNew_Project")
+        self.actionLoad_Project = QAction(fluencyCAD)
+        self.actionLoad_Project.setObjectName(u"actionLoad_Project")
+        self.actionRecent = QAction(fluencyCAD)
+        self.actionRecent.setObjectName(u"actionRecent")
+        self.centralwidget = QWidget(fluencyCAD)
+        self.centralwidget.setObjectName(u"centralwidget")
+        self.gridLayout = QGridLayout(self.centralwidget)
+        self.gridLayout.setObjectName(u"gridLayout")
+        self.InputTab = QTabWidget(self.centralwidget)
+        self.InputTab.setObjectName(u"InputTab")
+        sizePolicy = QSizePolicy(QSizePolicy.Expanding, QSizePolicy.Preferred)
+        sizePolicy.setHorizontalStretch(0)
+        sizePolicy.setVerticalStretch(0)
+        sizePolicy.setHeightForWidth(self.InputTab.sizePolicy().hasHeightForWidth())
+        self.InputTab.setSizePolicy(sizePolicy)
+        self.sketch_tab = QWidget()
+        self.sketch_tab.setObjectName(u"sketch_tab")
+        self.verticalLayout_4 = QVBoxLayout(self.sketch_tab)
+        self.verticalLayout_4.setObjectName(u"verticalLayout_4")
+        self.InputTab.addTab(self.sketch_tab, "")
+        self.code_tab = QWidget()
+        self.code_tab.setObjectName(u"code_tab")
+        self.verticalLayout = QVBoxLayout(self.code_tab)
+        self.verticalLayout.setObjectName(u"verticalLayout")
+        self.textEdit = QTextEdit(self.code_tab)
+        self.textEdit.setObjectName(u"textEdit")
+
+        self.verticalLayout.addWidget(self.textEdit)
+
+        self.groupBox_7 = QGroupBox(self.code_tab)
+        self.groupBox_7.setObjectName(u"groupBox_7")
+        self.gridLayout_5 = QGridLayout(self.groupBox_7)
+        self.gridLayout_5.setObjectName(u"gridLayout_5")
+        self.pushButton_5 = QPushButton(self.groupBox_7)
+        self.pushButton_5.setObjectName(u"pushButton_5")
+
+        self.gridLayout_5.addWidget(self.pushButton_5, 2, 0, 1, 1)
+
+        self.pushButton_4 = QPushButton(self.groupBox_7)
+        self.pushButton_4.setObjectName(u"pushButton_4")
+
+        self.gridLayout_5.addWidget(self.pushButton_4, 2, 1, 1, 1)
+
+        self.pb_apply_code = QPushButton(self.groupBox_7)
+        self.pb_apply_code.setObjectName(u"pb_apply_code")
+
+        self.gridLayout_5.addWidget(self.pb_apply_code, 1, 0, 1, 1)
+
+        self.pushButton = QPushButton(self.groupBox_7)
+        self.pushButton.setObjectName(u"pushButton")
+
+        self.gridLayout_5.addWidget(self.pushButton, 1, 1, 1, 1)
+
+
+        self.verticalLayout.addWidget(self.groupBox_7)
+
+        self.InputTab.addTab(self.code_tab, "")
+
+        self.gridLayout.addWidget(self.InputTab, 0, 1, 9, 1)
+
+        self.gl_box = QGroupBox(self.centralwidget)
+        self.gl_box.setObjectName(u"gl_box")
+        sizePolicy1 = QSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
+        sizePolicy1.setHorizontalStretch(0)
+        sizePolicy1.setVerticalStretch(4)
+        sizePolicy1.setHeightForWidth(self.gl_box.sizePolicy().hasHeightForWidth())
+        self.gl_box.setSizePolicy(sizePolicy1)
+        font = QFont()
+        font.setPointSize(12)
+        self.gl_box.setFont(font)
+        self.horizontalLayout_4 = QHBoxLayout(self.gl_box)
+#ifndef Q_OS_MAC
+        self.horizontalLayout_4.setSpacing(-1)
+#endif
+        self.horizontalLayout_4.setObjectName(u"horizontalLayout_4")
+        self.horizontalLayout_4.setContentsMargins(12, -1, -1, -1)
+
+        self.gridLayout.addWidget(self.gl_box, 0, 2, 9, 1)
+
+        self.groupBox = QGroupBox(self.centralwidget)
+        self.groupBox.setObjectName(u"groupBox")
+        self.gridLayout_3 = QGridLayout(self.groupBox)
+        self.gridLayout_3.setObjectName(u"gridLayout_3")
+        self.pb_revop = QPushButton(self.groupBox)
+        self.pb_revop.setObjectName(u"pb_revop")
+
+        self.gridLayout_3.addWidget(self.pb_revop, 2, 1, 1, 1)
+
+        self.pb_extrdop = QPushButton(self.groupBox)
+        self.pb_extrdop.setObjectName(u"pb_extrdop")
+
+        self.gridLayout_3.addWidget(self.pb_extrdop, 0, 0, 1, 1)
+
+        self.pb_arrayop = QPushButton(self.groupBox)
+        self.pb_arrayop.setObjectName(u"pb_arrayop")
+
+        self.gridLayout_3.addWidget(self.pb_arrayop, 2, 0, 1, 1)
+
+        self.pb_cutop = QPushButton(self.groupBox)
+        self.pb_cutop.setObjectName(u"pb_cutop")
+
+        self.gridLayout_3.addWidget(self.pb_cutop, 0, 1, 1, 1)
+
+        self.pb_combop = QPushButton(self.groupBox)
+        self.pb_combop.setObjectName(u"pb_combop")
+
+        self.gridLayout_3.addWidget(self.pb_combop, 1, 0, 1, 1)
+
+        self.pb_moveop = QPushButton(self.groupBox)
+        self.pb_moveop.setObjectName(u"pb_moveop")
+
+        self.gridLayout_3.addWidget(self.pb_moveop, 1, 1, 1, 1)
+
+
+        self.gridLayout.addWidget(self.groupBox, 0, 3, 1, 1, Qt.AlignTop)
+
+        self.compo_box = QGroupBox(self.centralwidget)
+        self.compo_box.setObjectName(u"compo_box")
+        self.compo_box.setMinimumSize(QSize(0, 50))
+
+        self.gridLayout.addWidget(self.compo_box, 9, 1, 1, 2)
+
+        self.groupBox_10 = QGroupBox(self.centralwidget)
+        self.groupBox_10.setObjectName(u"groupBox_10")
+        sizePolicy2 = QSizePolicy(QSizePolicy.Preferred, QSizePolicy.Expanding)
+        sizePolicy2.setHorizontalStretch(0)
+        sizePolicy2.setVerticalStretch(0)
+        sizePolicy2.setHeightForWidth(self.groupBox_10.sizePolicy().hasHeightForWidth())
+        self.groupBox_10.setSizePolicy(sizePolicy2)
+        self.groupBox_10.setMaximumSize(QSize(200, 16777215))
+        self.verticalLayout_6 = QVBoxLayout(self.groupBox_10)
+        self.verticalLayout_6.setObjectName(u"verticalLayout_6")
+        self.verticalLayout_6.setContentsMargins(5, 5, 5, 5)
+        self.body_list = QListWidget(self.groupBox_10)
+        self.body_list.setObjectName(u"body_list")
+        self.body_list.setSelectionRectVisible(True)
+
+        self.verticalLayout_6.addWidget(self.body_list)
+
+        self.groupBox_8 = QGroupBox(self.groupBox_10)
+        self.groupBox_8.setObjectName(u"groupBox_8")
+        sizePolicy3 = QSizePolicy(QSizePolicy.Preferred, QSizePolicy.Preferred)
+        sizePolicy3.setHorizontalStretch(0)
+        sizePolicy3.setVerticalStretch(0)
+        sizePolicy3.setHeightForWidth(self.groupBox_8.sizePolicy().hasHeightForWidth())
+        self.groupBox_8.setSizePolicy(sizePolicy3)
+        self.groupBox_8.setMaximumSize(QSize(200, 16777215))
+        self.gridLayout_8 = QGridLayout(self.groupBox_8)
+        self.gridLayout_8.setObjectName(u"gridLayout_8")
+        self.gridLayout_8.setContentsMargins(2, 2, 2, 2)
+        self.pb_del_body = QPushButton(self.groupBox_8)
+        self.pb_del_body.setObjectName(u"pb_del_body")
+
+        self.gridLayout_8.addWidget(self.pb_del_body, 0, 2, 1, 1)
+
+        self.pb_update_body = QPushButton(self.groupBox_8)
+        self.pb_update_body.setObjectName(u"pb_update_body")
+
+        self.gridLayout_8.addWidget(self.pb_update_body, 0, 0, 1, 1)
+
+        self.pb_edt_sktch_3 = QPushButton(self.groupBox_8)
+        self.pb_edt_sktch_3.setObjectName(u"pb_edt_sktch_3")
+
+        self.gridLayout_8.addWidget(self.pb_edt_sktch_3, 0, 1, 1, 1)
+
+
+        self.verticalLayout_6.addWidget(self.groupBox_8)
+
+
+        self.gridLayout.addWidget(self.groupBox_10, 7, 3, 2, 1)
+
+        self.groupBox_11 = QGroupBox(self.centralwidget)
+        self.groupBox_11.setObjectName(u"groupBox_11")
+        sizePolicy2.setHeightForWidth(self.groupBox_11.sizePolicy().hasHeightForWidth())
+        self.groupBox_11.setSizePolicy(sizePolicy2)
+        self.groupBox_11.setMaximumSize(QSize(200, 16777215))
+        self.verticalLayout_7 = QVBoxLayout(self.groupBox_11)
+        self.verticalLayout_7.setObjectName(u"verticalLayout_7")
+        self.verticalLayout_7.setContentsMargins(5, 5, 5, 5)
+        self.sketch_list = QListWidget(self.groupBox_11)
+        self.sketch_list.setObjectName(u"sketch_list")
+        sizePolicy4 = QSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
+        sizePolicy4.setHorizontalStretch(0)
+        sizePolicy4.setVerticalStretch(0)
+        sizePolicy4.setHeightForWidth(self.sketch_list.sizePolicy().hasHeightForWidth())
+        self.sketch_list.setSizePolicy(sizePolicy4)
+        self.sketch_list.setSelectionRectVisible(True)
+
+        self.verticalLayout_7.addWidget(self.sketch_list)
+
+        self.groupBox_6 = QGroupBox(self.groupBox_11)
+        self.groupBox_6.setObjectName(u"groupBox_6")
+        sizePolicy3.setHeightForWidth(self.groupBox_6.sizePolicy().hasHeightForWidth())
+        self.groupBox_6.setSizePolicy(sizePolicy3)
+        self.gridLayout_6 = QGridLayout(self.groupBox_6)
+        self.gridLayout_6.setObjectName(u"gridLayout_6")
+        self.gridLayout_6.setContentsMargins(2, 2, 2, 2)
+        self.pb_edt_sktch = QPushButton(self.groupBox_6)
+        self.pb_edt_sktch.setObjectName(u"pb_edt_sktch")
+
+        self.gridLayout_6.addWidget(self.pb_edt_sktch, 1, 1, 1, 1)
+
+        self.pb_nw_sktch = QPushButton(self.groupBox_6)
+        self.pb_nw_sktch.setObjectName(u"pb_nw_sktch")
+
+        self.gridLayout_6.addWidget(self.pb_nw_sktch, 1, 0, 1, 1)
+
+        self.pb_del_sketch = QPushButton(self.groupBox_6)
+        self.pb_del_sketch.setObjectName(u"pb_del_sketch")
+
+        self.gridLayout_6.addWidget(self.pb_del_sketch, 1, 2, 1, 1)
+
+
+        self.verticalLayout_7.addWidget(self.groupBox_6)
+
+
+        self.gridLayout.addWidget(self.groupBox_11, 6, 0, 3, 1)
+
+        self.assmbly_box = QGroupBox(self.centralwidget)
+        self.assmbly_box.setObjectName(u"assmbly_box")
+        self.assmbly_box.setMinimumSize(QSize(0, 50))
+        self.gridLayout_10 = QGridLayout(self.assmbly_box)
+        self.gridLayout_10.setObjectName(u"gridLayout_10")
+        self.pushButton_3 = QPushButton(self.assmbly_box)
+        self.pushButton_3.setObjectName(u"pushButton_3")
+        self.pushButton_3.setMinimumSize(QSize(50, 50))
+        self.pushButton_3.setMaximumSize(QSize(50, 50))
+
+        self.gridLayout_10.addWidget(self.pushButton_3, 0, 0, 1, 1)
+
+        self.pushButton_6 = QPushButton(self.assmbly_box)
+        self.pushButton_6.setObjectName(u"pushButton_6")
+        self.pushButton_6.setMinimumSize(QSize(50, 50))
+        self.pushButton_6.setMaximumSize(QSize(50, 50))
+
+        self.gridLayout_10.addWidget(self.pushButton_6, 0, 1, 1, 1)
+
+
+        self.gridLayout.addWidget(self.assmbly_box, 9, 3, 1, 1)
+
+        self.groupBox_4 = QGroupBox(self.centralwidget)
+        self.groupBox_4.setObjectName(u"groupBox_4")
+        self.verticalLayout_2 = QVBoxLayout(self.groupBox_4)
+        self.verticalLayout_2.setObjectName(u"verticalLayout_2")
+        self.pushButton_2 = QPushButton(self.groupBox_4)
+        self.pushButton_2.setObjectName(u"pushButton_2")
+
+        self.verticalLayout_2.addWidget(self.pushButton_2)
+
+
+        self.gridLayout.addWidget(self.groupBox_4, 6, 3, 1, 1)
+
+        self.compo_tool_box = QGroupBox(self.centralwidget)
+        self.compo_tool_box.setObjectName(u"compo_tool_box")
+        self.compo_tool_box.setMinimumSize(QSize(0, 50))
+        self.gridLayout_9 = QGridLayout(self.compo_tool_box)
+        self.gridLayout_9.setObjectName(u"gridLayout_9")
+        self.new_compo = QPushButton(self.compo_tool_box)
+        self.new_compo.setObjectName(u"new_compo")
+        self.new_compo.setMinimumSize(QSize(50, 50))
+        self.new_compo.setMaximumSize(QSize(50, 50))
+
+        self.gridLayout_9.addWidget(self.new_compo, 0, 0, 1, 1)
+
+        self.del_compo = QPushButton(self.compo_tool_box)
+        self.del_compo.setObjectName(u"del_compo")
+        self.del_compo.setEnabled(True)
+        sizePolicy3.setHeightForWidth(self.del_compo.sizePolicy().hasHeightForWidth())
+        self.del_compo.setSizePolicy(sizePolicy3)
+        self.del_compo.setMinimumSize(QSize(50, 50))
+        self.del_compo.setMaximumSize(QSize(50, 50))
+        self.del_compo.setLayoutDirection(Qt.LeftToRight)
+
+        self.gridLayout_9.addWidget(self.del_compo, 0, 1, 1, 1)
+
+
+        self.gridLayout.addWidget(self.compo_tool_box, 9, 0, 1, 1)
+
+        self.groupBox_9 = QGroupBox(self.centralwidget)
+        self.groupBox_9.setObjectName(u"groupBox_9")
+        self.groupBox_9.setMaximumSize(QSize(200, 16777215))
+        self.gridLayout_7 = QGridLayout(self.groupBox_9)
+        self.gridLayout_7.setObjectName(u"gridLayout_7")
+        self.pb_origin_wp = QPushButton(self.groupBox_9)
+        self.pb_origin_wp.setObjectName(u"pb_origin_wp")
+
+        self.gridLayout_7.addWidget(self.pb_origin_wp, 0, 0, 1, 1)
+
+        self.pb_origin_face = QPushButton(self.groupBox_9)
+        self.pb_origin_face.setObjectName(u"pb_origin_face")
+
+        self.gridLayout_7.addWidget(self.pb_origin_face, 0, 1, 1, 1)
+
+        self.pb_flip_face = QPushButton(self.groupBox_9)
+        self.pb_flip_face.setObjectName(u"pb_flip_face")
+
+        self.gridLayout_7.addWidget(self.pb_flip_face, 1, 0, 1, 1)
+
+        self.pb_move_wp = QPushButton(self.groupBox_9)
+        self.pb_move_wp.setObjectName(u"pb_move_wp")
+
+        self.gridLayout_7.addWidget(self.pb_move_wp, 1, 1, 1, 1)
+
+
+        self.gridLayout.addWidget(self.groupBox_9, 0, 0, 1, 1)
+
+        self.groupBox_2 = QGroupBox(self.centralwidget)
+        self.groupBox_2.setObjectName(u"groupBox_2")
+        sizePolicy3.setHeightForWidth(self.groupBox_2.sizePolicy().hasHeightForWidth())
+        self.groupBox_2.setSizePolicy(sizePolicy3)
+        self.groupBox_2.setMaximumSize(QSize(200, 16777215))
+        self.gridLayout_2 = QGridLayout(self.groupBox_2)
+        self.gridLayout_2.setObjectName(u"gridLayout_2")
+        self.gridLayout_2.setContentsMargins(10, -1, -1, -1)
+        self.line = QFrame(self.groupBox_2)
+        self.line.setObjectName(u"line")
+        self.line.setFrameShape(QFrame.HLine)
+        self.line.setFrameShadow(QFrame.Sunken)
+
+        self.gridLayout_2.addWidget(self.line, 4, 0, 1, 2)
+
+        self.pb_circtool = QPushButton(self.groupBox_2)
+        self.pb_circtool.setObjectName(u"pb_circtool")
+        self.pb_circtool.setCheckable(True)
+        self.pb_circtool.setAutoExclusive(False)
+
+        self.gridLayout_2.addWidget(self.pb_circtool, 2, 0, 1, 1, Qt.AlignTop)
+
+        self.pb_slotool = QPushButton(self.groupBox_2)
+        self.pb_slotool.setObjectName(u"pb_slotool")
+        self.pb_slotool.setCheckable(True)
+        self.pb_slotool.setAutoExclusive(False)
+        self.pb_slotool.setAutoRepeatInterval(98)
+
+        self.gridLayout_2.addWidget(self.pb_slotool, 2, 1, 1, 1, Qt.AlignTop)
+
+        self.pb_linetool = QPushButton(self.groupBox_2)
+        self.pb_linetool.setObjectName(u"pb_linetool")
+        self.pb_linetool.setCheckable(True)
+        self.pb_linetool.setAutoExclusive(False)
+
+        self.gridLayout_2.addWidget(self.pb_linetool, 1, 0, 1, 1)
+
+        self.pb_rectool = QPushButton(self.groupBox_2)
+        self.pb_rectool.setObjectName(u"pb_rectool")
+        self.pb_rectool.setCheckable(True)
+        self.pb_rectool.setAutoExclusive(False)
+
+        self.gridLayout_2.addWidget(self.pb_rectool, 1, 1, 1, 1, Qt.AlignTop)
+
+        self.pb_enable_construct = QPushButton(self.groupBox_2)
+        self.pb_enable_construct.setObjectName(u"pb_enable_construct")
+        self.pb_enable_construct.setCheckable(True)
+
+        self.gridLayout_2.addWidget(self.pb_enable_construct, 5, 0, 1, 1)
+
+        self.pb_enable_snap = QPushButton(self.groupBox_2)
+        self.pb_enable_snap.setObjectName(u"pb_enable_snap")
+        self.pb_enable_snap.setCheckable(True)
+        self.pb_enable_snap.setChecked(True)
+
+        self.gridLayout_2.addWidget(self.pb_enable_snap, 5, 1, 1, 1)
+
+
+        self.gridLayout.addWidget(self.groupBox_2, 1, 0, 1, 1)
+
+        self.groupBox_3 = QGroupBox(self.centralwidget)
+        self.groupBox_3.setObjectName(u"groupBox_3")
+        sizePolicy3.setHeightForWidth(self.groupBox_3.sizePolicy().hasHeightForWidth())
+        self.groupBox_3.setSizePolicy(sizePolicy3)
+        self.groupBox_3.setMaximumSize(QSize(200, 16777213))
+        self.gridLayout_4 = QGridLayout(self.groupBox_3)
+        self.gridLayout_4.setObjectName(u"gridLayout_4")
+        self.pb_con_sym = QPushButton(self.groupBox_3)
+        self.pb_con_sym.setObjectName(u"pb_con_sym")
+        self.pb_con_sym.setCheckable(True)
+        self.pb_con_sym.setAutoExclusive(False)
+
+        self.gridLayout_4.addWidget(self.pb_con_sym, 3, 1, 1, 1)
+
+        self.pb_con_vert = QPushButton(self.groupBox_3)
+        self.pb_con_vert.setObjectName(u"pb_con_vert")
+        self.pb_con_vert.setCheckable(True)
+        self.pb_con_vert.setAutoExclusive(False)
+
+        self.gridLayout_4.addWidget(self.pb_con_vert, 2, 1, 1, 1)
+
+        self.pb_con_perp = QPushButton(self.groupBox_3)
+        self.pb_con_perp.setObjectName(u"pb_con_perp")
+        self.pb_con_perp.setCheckable(True)
+        self.pb_con_perp.setAutoExclusive(False)
+
+        self.gridLayout_4.addWidget(self.pb_con_perp, 1, 1, 1, 1)
+
+        self.pb_con_horiz = QPushButton(self.groupBox_3)
+        self.pb_con_horiz.setObjectName(u"pb_con_horiz")
+        self.pb_con_horiz.setCheckable(True)
+        self.pb_con_horiz.setAutoExclusive(False)
+
+        self.gridLayout_4.addWidget(self.pb_con_horiz, 2, 0, 1, 1)
+
+        self.pb_con_ptpt = QPushButton(self.groupBox_3)
+        self.pb_con_ptpt.setObjectName(u"pb_con_ptpt")
+        self.pb_con_ptpt.setCheckable(True)
+        self.pb_con_ptpt.setAutoExclusive(False)
+
+        self.gridLayout_4.addWidget(self.pb_con_ptpt, 0, 0, 1, 1)
+
+        self.pb_con_line = QPushButton(self.groupBox_3)
+        self.pb_con_line.setObjectName(u"pb_con_line")
+        self.pb_con_line.setCheckable(True)
+        self.pb_con_line.setAutoExclusive(False)
+
+        self.gridLayout_4.addWidget(self.pb_con_line, 0, 1, 1, 1)
+
+        self.pb_con_dist = QPushButton(self.groupBox_3)
+        self.pb_con_dist.setObjectName(u"pb_con_dist")
+        self.pb_con_dist.setCheckable(True)
+        self.pb_con_dist.setAutoExclusive(False)
+        self.pb_con_dist.setAutoRepeatDelay(297)
+
+        self.gridLayout_4.addWidget(self.pb_con_dist, 3, 0, 1, 1)
+
+        self.pb_con_mid = QPushButton(self.groupBox_3)
+        self.pb_con_mid.setObjectName(u"pb_con_mid")
+        self.pb_con_mid.setCheckable(True)
+        self.pb_con_mid.setAutoExclusive(False)
+
+        self.gridLayout_4.addWidget(self.pb_con_mid, 1, 0, 1, 1)
+
+
+        self.gridLayout.addWidget(self.groupBox_3, 2, 0, 1, 1)
+
+        self.tabWidget = QTabWidget(self.centralwidget)
+        self.tabWidget.setObjectName(u"tabWidget")
+        sizePolicy5 = QSizePolicy(QSizePolicy.Maximum, QSizePolicy.Expanding)
+        sizePolicy5.setHorizontalStretch(0)
+        sizePolicy5.setVerticalStretch(0)
+        sizePolicy5.setHeightForWidth(self.tabWidget.sizePolicy().hasHeightForWidth())
+        self.tabWidget.setSizePolicy(sizePolicy5)
+        self.tabWidget.setMaximumSize(QSize(200, 16777215))
+        self.tabWidget.setTabPosition(QTabWidget.South)
+        self.snaps = QWidget()
+        self.snaps.setObjectName(u"snaps")
+        self.verticalLayout_3 = QVBoxLayout(self.snaps)
+        self.verticalLayout_3.setObjectName(u"verticalLayout_3")
+        self.groupBox_5 = QGroupBox(self.snaps)
+        self.groupBox_5.setObjectName(u"groupBox_5")
+        sizePolicy6 = QSizePolicy(QSizePolicy.Fixed, QSizePolicy.Preferred)
+        sizePolicy6.setHorizontalStretch(0)
+        sizePolicy6.setVerticalStretch(0)
+        sizePolicy6.setHeightForWidth(self.groupBox_5.sizePolicy().hasHeightForWidth())
+        self.groupBox_5.setSizePolicy(sizePolicy6)
+        self.gridLayout_11 = QGridLayout(self.groupBox_5)
+        self.gridLayout_11.setObjectName(u"gridLayout_11")
+        self.gridLayout_11.setContentsMargins(2, 2, 2, 2)
+        self.label = QLabel(self.groupBox_5)
+        self.label.setObjectName(u"label")
+
+        self.gridLayout_11.addWidget(self.label, 5, 0, 1, 1)
+
+        self.pb_snap_vert = QPushButton(self.groupBox_5)
+        self.pb_snap_vert.setObjectName(u"pb_snap_vert")
+        self.pb_snap_vert.setCheckable(True)
+        self.pb_snap_vert.setAutoExclusive(False)
+
+        self.gridLayout_11.addWidget(self.pb_snap_vert, 2, 1, 1, 1)
+
+        self.line_2 = QFrame(self.groupBox_5)
+        self.line_2.setObjectName(u"line_2")
+        self.line_2.setFrameShape(QFrame.HLine)
+        self.line_2.setFrameShadow(QFrame.Sunken)
+
+        self.gridLayout_11.addWidget(self.line_2, 4, 0, 1, 2)
+
+        self.label_2 = QLabel(self.groupBox_5)
+        self.label_2.setObjectName(u"label_2")
+
+        self.gridLayout_11.addWidget(self.label_2, 5, 1, 1, 1)
+
+        self.spinbox_snap_distance = QSpinBox(self.groupBox_5)
+        self.spinbox_snap_distance.setObjectName(u"spinbox_snap_distance")
+        self.spinbox_snap_distance.setMaximum(30)
+        self.spinbox_snap_distance.setValue(10)
+
+        self.gridLayout_11.addWidget(self.spinbox_snap_distance, 6, 0, 1, 1)
+
+        self.pushButton_7 = QPushButton(self.groupBox_5)
+        self.pushButton_7.setObjectName(u"pushButton_7")
+        self.pushButton_7.setCheckable(True)
+        self.pushButton_7.setAutoExclusive(False)
+
+        self.gridLayout_11.addWidget(self.pushButton_7, 3, 0, 1, 1)
+
+        self.pb_snap_horiz = QPushButton(self.groupBox_5)
+        self.pb_snap_horiz.setObjectName(u"pb_snap_horiz")
+        self.pb_snap_horiz.setCheckable(True)
+        self.pb_snap_horiz.setAutoExclusive(False)
+
+        self.gridLayout_11.addWidget(self.pb_snap_horiz, 2, 0, 1, 1)
+
+        self.spinbox_angle_steps = QSpinBox(self.groupBox_5)
+        self.spinbox_angle_steps.setObjectName(u"spinbox_angle_steps")
+        self.spinbox_angle_steps.setMaximum(180)
+        self.spinbox_angle_steps.setValue(15)
+
+        self.gridLayout_11.addWidget(self.spinbox_angle_steps, 6, 1, 1, 1)
+
+        self.pushButton_8 = QPushButton(self.groupBox_5)
+        self.pushButton_8.setObjectName(u"pushButton_8")
+        self.pushButton_8.setCheckable(True)
+        self.pushButton_8.setAutoExclusive(False)
+
+        self.gridLayout_11.addWidget(self.pushButton_8, 0, 0, 1, 1)
+
+        self.pb_snap_midp = QPushButton(self.groupBox_5)
+        self.pb_snap_midp.setObjectName(u"pb_snap_midp")
+        self.pb_snap_midp.setCheckable(True)
+        self.pb_snap_midp.setAutoExclusive(False)
+
+        self.gridLayout_11.addWidget(self.pb_snap_midp, 0, 1, 1, 1)
+
+        self.pb_snap_angle = QPushButton(self.groupBox_5)
+        self.pb_snap_angle.setObjectName(u"pb_snap_angle")
+        self.pb_snap_angle.setCheckable(True)
+        self.pb_snap_angle.setAutoExclusive(False)
+
+        self.gridLayout_11.addWidget(self.pb_snap_angle, 3, 1, 1, 1)
+
+
+        self.verticalLayout_3.addWidget(self.groupBox_5)
+
+        self.tabWidget.addTab(self.snaps, "")
+        self.settings = QWidget()
+        self.settings.setObjectName(u"settings")
+        self.tabWidget.addTab(self.settings, "")
+
+        self.gridLayout.addWidget(self.tabWidget, 3, 0, 1, 1)
+
+        fluencyCAD.setCentralWidget(self.centralwidget)
+        self.menubar = QMenuBar(fluencyCAD)
+        self.menubar.setObjectName(u"menubar")
+        self.menubar.setGeometry(QRect(0, 0, 2192, 24))
+        self.menuFile = QMenu(self.menubar)
+        self.menuFile.setObjectName(u"menuFile")
+        self.menuSettings = QMenu(self.menubar)
+        self.menuSettings.setObjectName(u"menuSettings")
+        fluencyCAD.setMenuBar(self.menubar)
+        self.statusbar = QStatusBar(fluencyCAD)
+        self.statusbar.setObjectName(u"statusbar")
+        fluencyCAD.setStatusBar(self.statusbar)
+
+        self.menubar.addAction(self.menuFile.menuAction())
+        self.menubar.addAction(self.menuSettings.menuAction())
+        self.menuFile.addAction(self.actionNew_Project)
+        self.menuFile.addAction(self.actionLoad_Project)
+        self.menuFile.addAction(self.actionRecent)
+        self.menuFile.addSeparator()
+
+        self.retranslateUi(fluencyCAD)
+
+        self.InputTab.setCurrentIndex(0)
+        self.tabWidget.setCurrentIndex(0)
+
+
+        QMetaObject.connectSlotsByName(fluencyCAD)
+    # setupUi
+
+    def retranslateUi(self, fluencyCAD):
+        fluencyCAD.setWindowTitle(QCoreApplication.translate("fluencyCAD", u"fluencyCAD", None))
+        self.actionNew_Project.setText(QCoreApplication.translate("fluencyCAD", u"New", None))
+        self.actionLoad_Project.setText(QCoreApplication.translate("fluencyCAD", u"Load", None))
+        self.actionRecent.setText(QCoreApplication.translate("fluencyCAD", u"Recent", None))
+        self.InputTab.setTabText(self.InputTab.indexOf(self.sketch_tab), QCoreApplication.translate("fluencyCAD", u"Sketch", None))
+        self.groupBox_7.setTitle(QCoreApplication.translate("fluencyCAD", u"Executive", None))
+        self.pushButton_5.setText(QCoreApplication.translate("fluencyCAD", u"Load Code", None))
+        self.pushButton_4.setText(QCoreApplication.translate("fluencyCAD", u"Save code", None))
+        self.pb_apply_code.setText(QCoreApplication.translate("fluencyCAD", u"Apply Code", None))
+        self.pushButton.setText(QCoreApplication.translate("fluencyCAD", u"Delete Code", None))
+        self.InputTab.setTabText(self.InputTab.indexOf(self.code_tab), QCoreApplication.translate("fluencyCAD", u"Code", None))
+        self.gl_box.setTitle(QCoreApplication.translate("fluencyCAD", u"Model Viewer", None))
+        self.groupBox.setTitle(QCoreApplication.translate("fluencyCAD", u"Modify", None))
+        self.pb_revop.setText(QCoreApplication.translate("fluencyCAD", u"Rev", None))
+        self.pb_extrdop.setText(QCoreApplication.translate("fluencyCAD", u"Extrd", None))
+        self.pb_arrayop.setText(QCoreApplication.translate("fluencyCAD", u"Arry", None))
+        self.pb_cutop.setText(QCoreApplication.translate("fluencyCAD", u"Cut", None))
+        self.pb_combop.setText(QCoreApplication.translate("fluencyCAD", u"Comb", None))
+        self.pb_moveop.setText(QCoreApplication.translate("fluencyCAD", u"Mve", None))
+        self.compo_box.setTitle(QCoreApplication.translate("fluencyCAD", u"Components", None))
+        self.groupBox_10.setTitle(QCoreApplication.translate("fluencyCAD", u"Bodys / Operations", None))
+        self.groupBox_8.setTitle(QCoreApplication.translate("fluencyCAD", u"Tools", None))
+        self.pb_del_body.setText(QCoreApplication.translate("fluencyCAD", u"Del", None))
+        self.pb_update_body.setText(QCoreApplication.translate("fluencyCAD", u"Upd", None))
+        self.pb_edt_sktch_3.setText(QCoreApplication.translate("fluencyCAD", u"Nothing", None))
+        self.groupBox_11.setTitle(QCoreApplication.translate("fluencyCAD", u"Sketch", None))
+        self.groupBox_6.setTitle(QCoreApplication.translate("fluencyCAD", u"Tools", None))
+        self.pb_edt_sktch.setText(QCoreApplication.translate("fluencyCAD", u"Edt", None))
+        self.pb_nw_sktch.setText(QCoreApplication.translate("fluencyCAD", u"Add", None))
+        self.pb_del_sketch.setText(QCoreApplication.translate("fluencyCAD", u"Del", None))
+        self.assmbly_box.setTitle(QCoreApplication.translate("fluencyCAD", u"Assembly Tools", None))
+        self.pushButton_3.setText(QCoreApplication.translate("fluencyCAD", u"+ Cnct", None))
+        self.pushButton_6.setText(QCoreApplication.translate("fluencyCAD", u"- Cnct", None))
+        self.groupBox_4.setTitle(QCoreApplication.translate("fluencyCAD", u"Export", None))
+        self.pushButton_2.setText(QCoreApplication.translate("fluencyCAD", u"STL", None))
+        self.compo_tool_box.setTitle(QCoreApplication.translate("fluencyCAD", u"Component Tools", None))
+        self.new_compo.setText(QCoreApplication.translate("fluencyCAD", u"New", None))
+        self.del_compo.setText(QCoreApplication.translate("fluencyCAD", u"Del", None))
+        self.groupBox_9.setTitle(QCoreApplication.translate("fluencyCAD", u"Workplanes", None))
+#if QT_CONFIG(tooltip)
+        self.pb_origin_wp.setToolTip(QCoreApplication.translate("fluencyCAD", u"<W>orking Plane at 0, 0, 0", None))
+#endif // QT_CONFIG(tooltip)
+        self.pb_origin_wp.setText(QCoreApplication.translate("fluencyCAD", u"WP Origin", None))
+#if QT_CONFIG(shortcut)
+        self.pb_origin_wp.setShortcut(QCoreApplication.translate("fluencyCAD", u"W", None))
+#endif // QT_CONFIG(shortcut)
+#if QT_CONFIG(tooltip)
+        self.pb_origin_face.setToolTip(QCoreApplication.translate("fluencyCAD", u"Working Plane >P<rojection at selected edges face", None))
+#endif // QT_CONFIG(tooltip)
+        self.pb_origin_face.setText(QCoreApplication.translate("fluencyCAD", u" WP Face", None))
+#if QT_CONFIG(shortcut)
+        self.pb_origin_face.setShortcut(QCoreApplication.translate("fluencyCAD", u"P", None))
+#endif // QT_CONFIG(shortcut)
+#if QT_CONFIG(tooltip)
+        self.pb_flip_face.setToolTip(QCoreApplication.translate("fluencyCAD", u"Flip >N<ormal of projected mesh.", None))
+#endif // QT_CONFIG(tooltip)
+        self.pb_flip_face.setText(QCoreApplication.translate("fluencyCAD", u"WP Flip", None))
+#if QT_CONFIG(shortcut)
+        self.pb_flip_face.setShortcut(QCoreApplication.translate("fluencyCAD", u"N", None))
+#endif // QT_CONFIG(shortcut)
+#if QT_CONFIG(tooltip)
+        self.pb_move_wp.setToolTip(QCoreApplication.translate("fluencyCAD", u">M<ove projected mesh workplane", None))
+#endif // QT_CONFIG(tooltip)
+        self.pb_move_wp.setText(QCoreApplication.translate("fluencyCAD", u"WP Mve", None))
+#if QT_CONFIG(shortcut)
+        self.pb_move_wp.setShortcut(QCoreApplication.translate("fluencyCAD", u"M", None))
+#endif // QT_CONFIG(shortcut)
+        self.groupBox_2.setTitle(QCoreApplication.translate("fluencyCAD", u"Drawing", None))
+        self.pb_circtool.setText(QCoreApplication.translate("fluencyCAD", u"Circle", None))
+        self.pb_slotool.setText(QCoreApplication.translate("fluencyCAD", u"Slot", None))
+#if QT_CONFIG(statustip)
+        self.pb_linetool.setStatusTip(QCoreApplication.translate("fluencyCAD", u"Line >S<egment", None))
+#endif // QT_CONFIG(statustip)
+        self.pb_linetool.setText(QCoreApplication.translate("fluencyCAD", u"Line", None))
+#if QT_CONFIG(shortcut)
+        self.pb_linetool.setShortcut(QCoreApplication.translate("fluencyCAD", u"S", None))
+#endif // QT_CONFIG(shortcut)
+        self.pb_rectool.setText(QCoreApplication.translate("fluencyCAD", u"Rctgl", None))
+        self.pb_enable_construct.setText(QCoreApplication.translate("fluencyCAD", u"Cstrct", None))
+        self.pb_enable_snap.setText(QCoreApplication.translate("fluencyCAD", u"Snap", None))
+        self.groupBox_3.setTitle(QCoreApplication.translate("fluencyCAD", u"Constrain", None))
+        self.pb_con_sym.setText(QCoreApplication.translate("fluencyCAD", u"Symetrc", None))
+#if QT_CONFIG(tooltip)
+        self.pb_con_vert.setToolTip(QCoreApplication.translate("fluencyCAD", u"Vertical Constrain", None))
+#endif // QT_CONFIG(tooltip)
+        self.pb_con_vert.setText(QCoreApplication.translate("fluencyCAD", u"Vert", None))
+#if QT_CONFIG(tooltip)
+        self.pb_con_perp.setToolTip(QCoreApplication.translate("fluencyCAD", u"Constrain Line perpendicular to another line.", None))
+#endif // QT_CONFIG(tooltip)
+        self.pb_con_perp.setText(QCoreApplication.translate("fluencyCAD", u"Perp_Lne", None))
+#if QT_CONFIG(tooltip)
+        self.pb_con_horiz.setToolTip(QCoreApplication.translate("fluencyCAD", u"Horizontal Constrain ", None))
+#endif // QT_CONFIG(tooltip)
+        self.pb_con_horiz.setText(QCoreApplication.translate("fluencyCAD", u"Horiz", None))
+#if QT_CONFIG(tooltip)
+        self.pb_con_ptpt.setToolTip(QCoreApplication.translate("fluencyCAD", u"Poin to Point Constrain", None))
+#endif // QT_CONFIG(tooltip)
+        self.pb_con_ptpt.setText(QCoreApplication.translate("fluencyCAD", u"Pt_Pt", None))
+#if QT_CONFIG(tooltip)
+        self.pb_con_line.setToolTip(QCoreApplication.translate("fluencyCAD", u"Point to Line Constrain", None))
+#endif // QT_CONFIG(tooltip)
+        self.pb_con_line.setText(QCoreApplication.translate("fluencyCAD", u"Pt_Lne", None))
+#if QT_CONFIG(tooltip)
+        self.pb_con_dist.setToolTip(QCoreApplication.translate("fluencyCAD", u"Dimension of Line of Distance from Point to Line", None))
+#endif // QT_CONFIG(tooltip)
+        self.pb_con_dist.setText(QCoreApplication.translate("fluencyCAD", u"Distnce", None))
+#if QT_CONFIG(tooltip)
+        self.pb_con_mid.setToolTip(QCoreApplication.translate("fluencyCAD", u"Point to Middle Point Constrain", None))
+#endif // QT_CONFIG(tooltip)
+        self.pb_con_mid.setText(QCoreApplication.translate("fluencyCAD", u"Pt_Mid_L", None))
+        self.groupBox_5.setTitle(QCoreApplication.translate("fluencyCAD", u"Snapping Points", None))
+        self.label.setText(QCoreApplication.translate("fluencyCAD", u"Snp Dst", None))
+        self.pb_snap_vert.setText(QCoreApplication.translate("fluencyCAD", u"Vert", None))
+        self.label_2.setText(QCoreApplication.translate("fluencyCAD", u"Angl Stps", None))
+        self.spinbox_snap_distance.setSuffix(QCoreApplication.translate("fluencyCAD", u"mm", None))
+        self.pushButton_7.setText(QCoreApplication.translate("fluencyCAD", u"Grid", None))
+        self.pb_snap_horiz.setText(QCoreApplication.translate("fluencyCAD", u"Horiz", None))
+        self.spinbox_angle_steps.setSuffix(QCoreApplication.translate("fluencyCAD", u"\u00b0", None))
+        self.pushButton_8.setText(QCoreApplication.translate("fluencyCAD", u"Pnt", None))
+        self.pb_snap_midp.setText(QCoreApplication.translate("fluencyCAD", u"MidP", None))
+        self.pb_snap_angle.setText(QCoreApplication.translate("fluencyCAD", u"Angles", None))
+        self.tabWidget.setTabText(self.tabWidget.indexOf(self.snaps), QCoreApplication.translate("fluencyCAD", u"Setg 1", None))
+        self.tabWidget.setTabText(self.tabWidget.indexOf(self.settings), QCoreApplication.translate("fluencyCAD", u"Setg 2", None))
+        self.menuFile.setTitle(QCoreApplication.translate("fluencyCAD", u"File", None))
+        self.menuSettings.setTitle(QCoreApplication.translate("fluencyCAD", u"Settings", None))
+    # retranslateUi
+
@@ -1,9 +0,0 @@
-MIT License
-
-Copyright (c) 2025 Thomas Herrmann
-
-Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
@@ -1,4 +0,0 @@
-# fluencyCAD
-
-A CAD program based on QT - sdfCAD - Solvespace and VTK meant to deliver a fluent distraction free CAD experience with  alot of freedom thanks to sdf based meshes.
-
@@ -0,0 +1,147 @@
+# WARP.md
+
+This file provides guidance to WARP (warp.dev) when working with code in this repository.
+
+## Project Overview
+Fluency is a CAD (Computer Aided Design) application built with Python/PySide6 that provides parametric 3D modeling through a timeline-based project system. The application combines 2D sketching with constraint solving, 3D visualization using VTK, and SDF (Signed Distance Function) based mesh generation.
+
+## Common Commands
+
+### Development Environment Setup
+```bash
+# Activate virtual environment (if exists)
+source .venv/bin/activate
+
+# Install dependencies
+pip install -r requirements.txt
+```
+
+### Running the Application
+```bash
+# Run the main application
+python main.py
+
+# Run with debugging
+python -u main.py
+```
+
+### UI Development
+```bash
+# Convert Qt Designer UI file to Python code
+pyside6-uic gui.ui > Gui.py -g python
+```
+
+### Building Executable
+The project uses Nuitka for compilation (configured in `main.py` header):
+```bash
+# Build standalone executable
+nuitka --standalone --plugin-enable=pyside6 --plugin-enable=numpy --macos-create-app-bundle main.py
+```
+
+### Testing
+```bash
+# Run mesh generation test
+python meshtest.py
+```
+
+## Architecture Overview
+
+### Core Components
+
+#### Main Application (`main.py`)
+- **MainWindow**: Central UI controller that manages all widgets and user interactions
+- **Project System**: Hierarchical structure: `Project → Timeline → Component → Sketch/Body`
+- **Signal-based Communication**: Qt signals coordinate between 2D sketching and 3D rendering
+
+#### Project Hierarchy
+```
+Project
+├── Timeline (list of Components)
+└── Component
+    ├── Sketches (dict)
+    ├── Bodies (dict) 
+    └── Connectors (for assembly)
+```
+
+#### Drawing Modules (`drawing_modules/`)
+- **SketchWidget** (`draw_widget_solve.py`): 2D parametric sketching with SolverSpace constraint solving
+- **VTKWidget** (`vtk_widget.py`): 3D visualization and mesh interaction using VTK
+- **PyVistaWidget** (`vysta_widget.py`): Alternative 3D rendering backend
+
+#### Mesh Generation (`mesh_modules/`)
+- **VESTA** (`vesta_mesh.py`): Multi-threaded SDF-to-mesh conversion using marching cubes
+- **Interactor Mesh** (`interactor_mesh.py`): Simplified edge-based meshes for 3D selection
+- **Simple Mesh** (`simple_mesh.py`): Basic mesh utilities
+
+### Data Flow Architecture
+
+#### 2D to 3D Pipeline
+1. **2D Sketching**: User draws in SketchWidget using Qt coordinate system
+2. **Constraint Solving**: SolverSpace resolves geometric constraints
+3. **SDF Generation**: Sketch converted to Signed Distance Functions for 3D operations
+4. **Mesh Generation**: VESTA generates triangle meshes from SDF using marching cubes
+5. **3D Rendering**: VTK displays both solid meshes and interactive edges
+
+#### Signal Flow (from `doc/flow.md`)
+- 2D QPoint → cartesian space → SolverSpace dict → constraint solving → display
+- 3D mesh selection → projection to 2D → sketch widget integration
+
+### Key Classes
+
+#### Core Data Structures
+- **Sketch**: 2D geometric data with origin, normal, points, and constraints
+- **Body**: 3D mesh representation containing SDF objects and interactor meshes  
+- **Component**: Container grouping related sketches and bodies
+- **Interactor**: Simplified edge-based mesh for 3D manipulation
+
+#### Constraint Solving
+The application uses `python_solvespace` for parametric constraint solving:
+- Point-to-point constraints
+- Distance constraints
+- Horizontal/vertical line constraints
+- Point-to-line constraints
+
+### Technology Stack
+- **GUI**: PySide6 (Qt for Python)
+- **3D Graphics**: VTK for rendering, PyVista as alternative
+- **Constraint Solving**: SolverSpace for parametric geometry
+- **Mesh Generation**: SDF library with custom VESTA marching cubes implementation
+- **Scientific Computing**: NumPy for mathematical operations
+
+## Development Workflow
+
+### Adding New Sketch Tools
+1. Add UI button in `gui.ui`
+2. Convert UI: `pyside6-uic gui.ui > Gui.py -g python`  
+3. Connect signal in `MainWindow.__init__()`
+4. Implement tool logic in `SketchWidget`
+
+### Adding New 3D Operations
+1. Extend operation buttons in the Modify group
+2. Implement operation logic using SDF functions
+3. Update Body creation and timeline management
+4. Handle interactor mesh generation for selection
+
+### Debugging Tips
+- Monitor solver results through `SolverSystem` status
+- Use VTK's built-in debugging for rendering issues
+- Check coordinate transformations between 2D sketch and 3D space
+- Verify SDF function outputs before mesh generation
+
+### File Structure
+- `main.py`: Application entry point and main window
+- `Gui.py`: Auto-generated UI code (do not edit directly)
+- `gui.ui`: Qt Designer UI definition file
+- `drawing_modules/`: 2D and 3D rendering widgets
+- `mesh_modules/`: Mesh generation and processing
+- `doc/`: Architecture and command documentation
+
+## Dependencies
+Primary external libraries:
+- `PySide6`: Qt GUI framework
+- `vtk`: 3D visualization toolkit
+- `python-solvespace`: Constraint solving
+- `sdf`: Signed Distance Function operations
+- `numpy`: Numerical computations
+- `scikit-image`: Marching cubes algorithm
+- `names`: Random name generation for sketches
@@ -0,0 +1,108 @@
+#!/usr/bin/env python3
+"""
+Debug script to test point dragging functionality in ImprovedSketchWidget
+"""
+
+import sys
+import os
+sys.path.append('/Volumes/Data_drive/Programming/fluency')
+
+from PySide6.QtWidgets import QApplication, QMainWindow, QVBoxLayout, QWidget, QPushButton, QHBoxLayout
+from PySide6.QtCore import Qt
+from drawing_modules.improved_sketcher import ImprovedSketchWidget, SketchMode, Point2D
+import logging
+
+# Set up logging to see debug messages
+logging.basicConfig(level=logging.DEBUG, format='%(levelname)s: %(message)s')
+logger = logging.getLogger(__name__)
+
+class DebugMainWindow(QMainWindow):
+    def __init__(self):
+        super().__init__()
+        self.setWindowTitle("Debug Point Dragging")
+        self.resize(1000, 700)
+        
+        # Create central widget
+        central_widget = QWidget()
+        self.setCentralWidget(central_widget)
+        layout = QVBoxLayout(central_widget)
+        
+        # Create button layout
+        button_layout = QHBoxLayout()
+        
+        # Add test points button
+        add_points_btn = QPushButton("Add Test Points")
+        add_points_btn.clicked.connect(self.add_test_points)
+        button_layout.addWidget(add_points_btn)
+        
+        # Check mode button
+        check_mode_btn = QPushButton("Check Mode")
+        check_mode_btn.clicked.connect(self.check_mode)
+        button_layout.addWidget(check_mode_btn)
+        
+        # Reset mode button
+        reset_mode_btn = QPushButton("Reset to NONE Mode")
+        reset_mode_btn.clicked.connect(self.reset_mode)
+        button_layout.addWidget(reset_mode_btn)
+        
+        layout.addLayout(button_layout)
+        
+        # Create the sketcher widget
+        self.sketcher = ImprovedSketchWidget()
+        layout.addWidget(self.sketcher)
+        
+        print("Debug window created. Current mode:", self.sketcher.current_mode)
+        
+    def add_test_points(self):
+        """Add some test points to the sketch"""
+        print("Adding test points...")
+        
+        # Add a few points at different locations
+        points = [
+            Point2D(100, 100),
+            Point2D(200, 150),
+            Point2D(150, 200),
+            Point2D(50, 250)
+        ]
+        
+        for point in points:
+            self.sketcher.sketch.add_point(point)
+            print(f"Added point at ({point.x}, {point.y})")
+        
+        self.sketcher.update()
+        print(f"Total points in sketch: {len(self.sketcher.sketch.points)}")
+        
+    def check_mode(self):
+        """Check current mode and dragging state"""
+        print(f"Current mode: {self.sketcher.current_mode}")
+        print(f"Dragging point: {self.sketcher.dragging_point}")
+        print(f"Drag start pos: {self.sketcher.drag_start_pos}")
+        print(f"Hovered point: {self.sketcher.hovered_point}")
+        print(f"Number of points: {len(self.sketcher.sketch.points)}")
+        
+        # Check if points have solver handles
+        for i, point in enumerate(self.sketcher.sketch.points):
+            print(f"Point {i}: ({point.x}, {point.y}), handle: {point.handle}")
+        
+    def reset_mode(self):
+        """Reset to NONE mode to enable dragging"""
+        print("Resetting mode to NONE")
+        self.sketcher.set_mode(SketchMode.NONE)
+        print(f"Mode after reset: {self.sketcher.current_mode}")
+
+if __name__ == "__main__":
+    app = QApplication(sys.argv)
+    
+    window = DebugMainWindow()
+    window.show()
+    
+    print("\n" + "="*50)
+    print("DEBUG INSTRUCTIONS:")
+    print("1. Click 'Add Test Points' to create some points")
+    print("2. Click 'Check Mode' to verify the current state")
+    print("3. Click 'Reset to NONE Mode' to ensure dragging is enabled")
+    print("4. Try to drag points by clicking and dragging them")
+    print("5. Watch the console for debug messages")
+    print("="*50 + "\n")
+    
+    sys.exit(app.exec())
@@ -0,0 +1,849 @@
+# Fluency CAD - Improved Sketcher Technical Documentation
+
+## Table of Contents
+1. [Overview](#overview)
+2. [Architecture](#architecture)
+3. [Core Components](#core-components)
+4. [Geometry System](#geometry-system)
+5. [Constraint Solving](#constraint-solving)
+6. [Coordinate Systems](#coordinate-systems)
+7. [Interaction System](#interaction-system)
+8. [Rendering System](#rendering-system)
+9. [Snapping System](#snapping-system)
+10. [Working Plane Integration](#working-plane-integration)
+11. [API Reference](#api-reference)
+12. [Performance Considerations](#performance-considerations)
+13. [Troubleshooting](#troubleshooting)
+
+## Overview
+
+The ImprovedSketchWidget is a parametric 2D sketching system built for Fluency CAD. It provides constraint-based geometric modeling with real-time solving, integrated snapping, and seamless integration with 3D working planes. The system is built on top of the SolverSpace constraint solver and PySide6 for the user interface.
+
+### Key Features
+- **Parametric Geometry**: All geometry is constraint-driven and automatically updates
+- **Real-time Solving**: Constraints are solved dynamically as geometry is modified
+- **Advanced Snapping**: Multi-mode snapping system (points, midpoints, grid, angles)
+- **Construction Geometry**: Support for helper/construction geometry
+- **Working Plane Integration**: Seamless 2D/3D workflow with projected geometry
+- **Interactive Dragging**: Smooth point dragging with constraint preservation
+- **Multiple Drawing Modes**: Lines, rectangles, circles, arcs, and points
+
+## Architecture
+
+```
+┌─────────────────────────────────────────────────────────┐
+│                ImprovedSketchWidget                     │
+│  ┌─────────────────┐  ┌─────────────────────────────┐   │
+│  │   User Interface │  │      Rendering System      │   │
+│  │   - Mouse Events │  │   - Coordinate Transform    │   │
+│  │   - Keyboard     │  │   - Geometry Drawing       │   │
+│  │   - Mode Control │  │   - UI Overlays            │   │
+│  └─────────────────┘  └─────────────────────────────┘   │
+│           │                         │                   │
+│           └─────────┬───────────────┘                   │
+│                     │                                   │
+│  ┌─────────────────────────────────────────────────┐   │
+│  │            Interaction System               │   │
+│  │  - Snapping Engine                             │   │
+│  │  - Dragging Logic                              │   │
+│  │  - Selection Management                        │   │
+│  └─────────────────────────────────────────────────┘   │
+│                     │                                   │
+│  ┌─────────────────────────────────────────────────┐   │
+│  │              Geometry System                   │   │
+│  │  ┌─────────────┐  ┌─────────────────────────┐   │   │
+│  │  │ Point2D     │  │      Line2D             │   │   │
+│  │  │ Circle2D    │  │      Arc2D (future)     │   │   │
+│  │  └─────────────┘  └─────────────────────────┘   │   │
+│  └─────────────────────────────────────────────────┘   │
+│                     │                                   │
+│  ┌─────────────────────────────────────────────────┐   │
+│  │            ImprovedSketch                      │   │
+│  │  (Enhanced SolverSystem)                       │   │
+│  │  - Constraint Management                       │   │
+│  │  - Solver Integration                          │   │
+│  │  - Geometry Storage                            │   │
+│  └─────────────────────────────────────────────────┘   │
+│                     │                                   │
+│  ┌─────────────────────────────────────────────────┐   │
+│  │          SolverSpace Library                   │   │
+│  │  - Constraint Solving Engine                   │   │
+│  │  - Geometric Relationships                     │   │
+│  └─────────────────────────────────────────────────┘   │
+└─────────────────────────────────────────────────────────┘
+```
+
+## Core Components
+
+### 1. ImprovedSketchWidget
+The main widget class that handles user interaction and rendering.
+
+**Key Responsibilities:**
+- Mouse and keyboard event handling
+- Mode management (line, circle, constraint modes, etc.)
+- Coordinate system transformations
+- Rendering pipeline orchestration
+- Integration with external systems (working planes)
+
+### 2. ImprovedSketch
+Enhanced wrapper around SolverSpace's SolverSystem.
+
+**Key Responsibilities:**
+- Geometry storage and management
+- Constraint system integration
+- Solver result processing
+- Handle management for solver objects
+
+### 3. Geometry Classes
+Type-safe geometry representations with validation.
+
+**Classes:**
+- `Point2D`: 2D points with solver integration
+- `Line2D`: 2D lines with constraint tracking
+- `Circle2D`: 2D circles with radius constraints
+
+## Geometry System
+
+### Point2D Class
+```python
+class Point2D:
+    def __init__(self, x: float, y: float, is_construction: bool = False):
+        self.id = uuid.uuid4()           # Unique identifier
+        self.x = float(x)                # X coordinate
+        self.y = float(y)                # Y coordinate
+        self.ui_point = QPoint(int(x), int(y))  # Qt UI point
+        self.handle = None               # SolverSpace handle
+        self.handle_nr = None            # Handle number
+        self.is_helper = is_construction # Construction geometry flag
+```
+
+**Key Features:**
+- Automatic coordinate validation
+- SolverSpace handle integration
+- Construction/normal geometry support
+- Distance calculations and equality testing
+
+### Line2D Class
+```python
+class Line2D:
+    def __init__(self, start_point: Point2D, end_point: Point2D, is_construction: bool = False):
+        self.id = uuid.uuid4()
+        self.start = start_point         # Start point reference
+        self.end = end_point            # End point reference
+        self.handle = None              # SolverSpace handle
+        self.constraints = []           # Applied constraints list
+        self.is_helper = is_construction
+```
+
+**Key Features:**
+- Automatic degenerate line detection
+- Length, midpoint, and angle calculations
+- Point-on-line testing with tolerance
+- Constraint tracking and annotation
+
+### Circle2D Class
+```python
+class Circle2D:
+    def __init__(self, center: Point2D, radius: float, is_construction: bool = False):
+        self.id = uuid.uuid4()
+        self.center = center            # Center point reference
+        self.radius = float(radius)     # Radius value
+        self.handle = None              # SolverSpace handle
+        self.constraints = []           # Applied constraints
+        self.is_helper = is_construction
+```
+
+## Constraint Solving
+
+### SolverSpace Integration
+
+The system uses the `python-solvespace` library for constraint solving. The `ImprovedSketch` class wraps the SolverSpace API and provides:
+
+1. **Automatic Handle Management**: Each geometry object gets a unique handle
+2. **Error Handling**: Robust error handling for solver failures
+3. **Position Updates**: Automatic geometry position updates after solving
+
+### Constraint Types
+
+#### Geometric Constraints
+- **Coincident**: Point-to-point or point-to-line coincidence
+- **Horizontal**: Forces lines to be horizontal
+- **Vertical**: Forces lines to be vertical
+- **Distance**: Fixes distance between points or line length
+- **Parallel**: Makes lines parallel (future implementation)
+- **Perpendicular**: Makes lines perpendicular (future implementation)
+
+#### Constraint Application Workflow
+```python
+def _handle_distance_constraint(self, pos: QPoint):
+    line = self.sketch.get_line_near(pos)
+    if line and line.handle:
+        # Get user input for distance
+        distance, ok = QInputDialog.getDouble(...)
+        if ok:
+            # Apply constraint to solver
+            self.sketch.distance(line.start.handle, line.end.handle, distance, self.sketch.wp)
+            # Solve system
+            result = self.sketch.solve_system()
+            if result == ResultFlag.OKAY:
+                line.constraints.append(f"L={distance:.2f}")
+```
+
+### Solver Workflow
+
+1. **Constraint Addition**: Constraints are added to the solver system
+2. **System Solving**: The solver attempts to find a valid solution
+3. **Result Processing**: If successful, geometry positions are updated
+4. **UI Updates**: The display is refreshed to show new positions
+
+## Coordinate Systems
+
+The sketcher uses multiple coordinate systems that must be properly transformed between:
+
+### 1. Sketch Coordinates (Local)
+- Origin at sketch center
+- Y-axis points up (mathematical convention)
+- Units in millimeters
+- Range: typically -1000 to +1000
+
+### 2. Viewport Coordinates (Screen)
+- Origin at top-left of widget
+- Y-axis points down (computer graphics convention)
+- Units in pixels
+- Range: 0 to widget dimensions
+
+### 3. Working Plane Coordinates (3D)
+- 3D coordinates projected onto 2D working plane
+- Transformation handled by external VTK system
+- Converted to sketch coordinates for display
+
+### Coordinate Transformations
+
+#### Viewport to Local (Mouse Input)
+```python
+def _viewport_to_local(self, viewport_pos: QPoint) -> QPoint:
+    # Step 1: Subtract widget center
+    center_x = self.width() / 2
+    center_y = self.height() / 2
+    
+    # Step 2: Apply pan offset
+    viewport_x = viewport_pos.x() - center_x - (self.pan_offset.x() * self.zoom_factor)
+    viewport_y = viewport_pos.y() - center_y - (self.pan_offset.y() * self.zoom_factor)
+    
+    # Step 3: Apply inverse zoom and Y-flip
+    local_x = viewport_x / self.zoom_factor
+    local_y = -viewport_y / self.zoom_factor
+    
+    return QPoint(int(local_x), int(local_y))
+```
+
+#### Rendering Transform Setup
+```python
+def _setup_coordinate_system(self, painter: QPainter):
+    transform = QTransform()
+    
+    # Translate to center and apply pan
+    center = QPointF(self.width() / 2, self.height() / 2)
+    transform.translate(center.x() + self.pan_offset.x() * self.zoom_factor, 
+                      center.y() + self.pan_offset.y() * self.zoom_factor)
+    
+    # Apply zoom and flip Y-axis
+    transform.scale(self.zoom_factor, -self.zoom_factor)
+    
+    painter.setTransform(transform)
+```
+
+## Interaction System
+
+### Mode-Based Interaction
+
+The sketcher supports multiple interaction modes with robust mode management:
+
+#### Drawing Modes
+- `SketchMode.LINE`: Two-point line creation
+- `SketchMode.RECTANGLE`: Two-corner rectangle creation
+- `SketchMode.CIRCLE`: Center-radius circle creation
+- `SketchMode.POINT`: Single point creation
+
+#### Constraint Modes
+- `SketchMode.COINCIDENT_PT_PT`: Point-to-point coincidence
+- `SketchMode.HORIZONTAL`: Horizontal line constraint
+- `SketchMode.VERTICAL`: Vertical line constraint
+- `SketchMode.DISTANCE`: Distance/length constraint
+
+#### Selection Mode
+- `SketchMode.NONE`: Selection and manipulation mode (enables point dragging)
+
+### Selection and Deletion System
+
+The sketcher now includes a comprehensive selection and deletion system that allows users to select and remove elements from the sketch.
+
+#### Selection Methods
+
+1. **Single Element Selection**: Click on individual points or lines to select/deselect them
+2. **Rectangle Selection**: Click and drag to create a selection rectangle for multiple elements
+3. **Visual Feedback**: Selected elements are highlighted in yellow with increased size
+
+#### Deletion Methods
+
+1. **Keyboard Deletion**: Press Delete or Backspace to remove selected elements
+2. **Proper Cleanup**: Elements are removed from both the sketch and constraint solver
+3. **Dependency Handling**: Lines are deleted before points to maintain geometric integrity
+
+#### Implementation Details
+
+The selection system is implemented through the following components:
+
+- **Selection Tracking**: `selected_elements` list tracks currently selected elements
+- **Rectangle Selection**: `selection_rect_start` and `selection_rect_end` track rectangle selection bounds
+- **Visual Feedback**: Modified drawing methods highlight selected elements in yellow
+- **Keyboard Support**: `keyPressEvent` handles Delete/Backspace keys
+- **Deletion Method**: `delete_selected_elements` handles removal of elements from sketch and solver
+
+#### Selection Workflow
+
+1. **Default Selection Mode**: The sketcher defaults to selection mode when no drawing tool is active
+2. **Element Selection**:
+   - Click on points or lines to select/deselect them (they turn yellow)
+   - Click and drag to create a rectangle selection for multiple elements
+3. **Element Deletion**:
+   - Press Delete or Backspace to remove all selected elements
+   - Elements are removed from both the sketch and constraint solver
+4. **Visual Feedback**:
+   - Selected elements are highlighted in yellow
+   - Rectangle selection is shown with a yellow dashed border
+
+#### Constraints Handling
+
+When elements are deleted:
+- Lines are removed first to avoid issues with points being used by lines
+- Points are only removed if they are not used by any remaining lines
+- The constraint solver is re-run after deletion to update remaining constraints
+- Proper error handling ensures the UI remains responsive even if solver operations fail
+
+### Mode Management System
+
+The mode system has been enhanced to provide intuitive selection and deletion functionality:
+
+#### Mode Compatibility
+- Python `None` is automatically converted to `SketchMode.NONE` for backward compatibility
+- The `set_mode()` method ensures the mode is always a valid `SketchMode` enum value
+- Mode changes reset all interaction buffers and state
+
+#### Default Selection Behavior
+- `SketchMode.NONE` now serves as the default selection mode
+- When no drawing tool is active, the sketcher is in selection mode by default
+- Users can click on elements to select/deselect them (they turn yellow)
+- Users can click and drag to create rectangle selections
+- Pressing Delete or Backspace removes all selected elements
+
+#### Right-Click Behavior
+- Right-clicking **always** exits any active mode and returns to `SketchMode.NONE`
+- This enables point dragging and prevents unintended geometry creation
+- The mode reset happens directly in the sketcher, not through main app signals
+
+#### Point Dragging Safety
+- Point dragging is **only** enabled when in `SketchMode.NONE` mode
+- Left-clicks in `NONE` mode check for draggable points first
+- If no point is found, the click is processed as a selection operation
+
+### Mouse Event Handling
+
+#### Click Processing Flow
+```python
+def mousePressEvent(self, event):
+    local_pos = self._viewport_to_local(event.pos())
+    
+    if event.button() == Qt.LeftButton:
+        self._handle_left_click(local_pos)
+    elif event.button() == Qt.RightButton:
+        self._handle_right_click(local_pos)
+    elif event.button() == Qt.MiddleButton:
+        self._start_panning(event.pos())
+```
+
+#### Enhanced Left-Click Handler
+```python
+def _handle_left_click(self, pos: QPoint):
+    # Safety check for NONE mode (dragging enabled)
+    if self.current_mode == SketchMode.NONE or self.current_mode is None:
+        point = self.sketch.get_point_near(pos, self.snap_settings.snap_distance)
+        if point:
+            self._start_point_drag(point, pos)
+            return
+        else:
+            # No point found - ignore click to prevent unintended drawing
+            return
+    
+    # Handle active drawing/constraint modes
+    if self.current_mode == SketchMode.LINE:
+        self._handle_line_creation(pos)
+    elif self.current_mode == SketchMode.HORIZONTAL:
+        self._handle_horizontal_constraint(pos)
+    # ... other modes
+```
+
+#### Right-Click Mode Reset
+```python
+def _handle_right_click(self, pos: QPoint):
+    # Reset interaction state
+    self._reset_interaction_state()
+    
+    # Force mode to NONE to enable dragging
+    self.current_mode = SketchMode.NONE
+    
+    # Emit signal to inform main app
+    self.constraint_applied.emit()
+```
+
+### Point Dragging System
+
+The point dragging system is optimized for performance and maintains constraint consistency:
+
+#### Drag Phases
+
+1. **Drag Start** (`_start_point_drag`):
+   - Identifies dragged point
+   - Stores initial position
+   - Sets dragging state
+
+2. **Drag Update** (`_handle_point_drag`):
+   - Updates point visual position only
+   - Applies snapping
+   - No solver execution (for performance)
+
+3. **Drag End** (`_end_point_drag`):
+   - Updates solver parameters with final position
+   - Runs constraint solver
+   - Updates all connected geometry
+   - Resets drag state
+
+```python
+def _end_point_drag(self):
+    if not self.dragging_point:
+        return
+    
+    # Update solver parameters with final position
+    if self.dragging_point.handle:
+        new_x = self.dragging_point.x
+        new_y = self.dragging_point.y
+        self.sketch.set_params(self.dragging_point.handle.params, [new_x, new_y])
+    
+    # Run solver to update all connected geometry
+    result = self.sketch.solve_system()
+    if result == ResultFlag.OKAY:
+        self.sketch_modified.emit()
+```
+
+## Rendering System
+
+### Rendering Pipeline
+
+The rendering system uses Qt's QPainter with a multi-layer approach:
+
+1. **Coordinate System Setup**: Apply zoom, pan, and Y-flip transforms
+2. **Background Rendering**: Grid, axes, and origin marker
+3. **Geometry Rendering**: Points, lines, circles with proper styling
+4. **Dynamic Elements**: Preview geometry during creation
+5. **UI Overlays**: Mode indicators, measurements, snap highlights
+
+### Rendering Layers
+
+#### Layer 1: Background
+- Coordinate axes (dashed gray lines)
+- Grid (if enabled)
+- Origin marker (red circle)
+
+#### Layer 2: Geometry
+- Construction geometry (green, dotted)
+- Normal geometry (gray, solid)
+- Constraint annotations
+
+#### Layer 3: Interactive Elements
+- Hover highlights (red)
+- Dynamic previews (gray, dashed)
+- Measurements during creation
+
+#### Layer 4: UI Overlays
+- Snap point indicators
+- Mode and zoom information
+- Status messages
+
+### Styling System
+
+Rendering appearance is controlled by the `RenderSettings` class:
+
+```python
+@dataclass
+class RenderSettings:
+    normal_pen_width: float = 2.0
+    construction_pen_width: float = 1.0
+    highlight_pen_width: float = 3.0
+    
+    normal_color = QColor(128, 128, 128)      # Gray
+    construction_color = QColor(0, 255, 0)    # Green
+    highlight_color = QColor(255, 0, 0)       # Red
+    solver_color = QColor(0, 255, 0)          # Green
+    dynamic_color = QColor(128, 128, 128)     # Gray
+    text_color = QColor(255, 255, 255)        # White
+```
+
+### Dynamic Previews
+
+During geometry creation, dynamic previews show:
+- **Line Creation**: Dashed line from start to cursor with length annotation
+- **Rectangle Creation**: Dashed rectangle outline
+- **Circle Creation**: Dashed circle with radius line and annotation
+
+## Snapping System
+
+### Snap Modes
+
+The snapping system supports multiple simultaneous snap modes:
+
+#### SnapMode.POINT
+- Snaps to existing geometry points
+- Priority: Highest
+- Visual: Red circle highlight
+
+#### SnapMode.MIDPOINT
+- Snaps to line midpoints
+- Priority: Medium
+- Visual: Red diamond highlight
+
+#### SnapMode.GRID
+- Snaps to grid intersections
+- Priority: Lowest
+- Visual: Green cross highlight
+
+#### SnapMode.HORIZONTAL/VERTICAL
+- Angular snapping (future implementation)
+- Constrains to horizontal/vertical directions
+
+#### SnapMode.INTERSECTION
+- Snaps to line intersections (future implementation)
+
+### Snap Algorithm
+
+```python
+def _get_snapped_position(self, pos: QPoint) -> QPoint:
+    min_distance = float('inf')
+    snapped_pos = pos
+    snap_threshold = self.snap_settings.snap_distance
+    
+    # Point snapping (highest priority)
+    if SnapMode.POINT in self.snap_settings.enabled_modes:
+        for point in self.sketch.points:
+            distance = math.sqrt((pos.x() - point.x)**2 + (pos.y() - point.y)**2)
+            if distance < snap_threshold and distance < min_distance:
+                snapped_pos = QPoint(int(point.x), int(point.y))
+                min_distance = distance
+    
+    # Midpoint snapping (medium priority)
+    if SnapMode.MIDPOINT in self.snap_settings.enabled_modes and min_distance > snap_threshold:
+        for line in self.sketch.lines:
+            midpoint = line.midpoint
+            distance = math.sqrt((pos.x() - midpoint.x)**2 + (pos.y() - midpoint.y)**2)
+            if distance < snap_threshold and distance < min_distance:
+                snapped_pos = QPoint(int(midpoint.x), int(midpoint.y))
+                min_distance = distance
+    
+    return snapped_pos
+```
+
+### Snap Settings
+
+```python
+@dataclass
+class SnapSettings:
+    snap_distance: float = 20.0      # Snap threshold in pixels
+    angle_increment: float = 15.0    # Angular snap increment
+    grid_spacing: float = 50.0       # Grid spacing
+    enabled_modes: Set[SnapMode]     # Active snap modes
+```
+
+## Working Plane Integration
+
+### Projected Geometry Workflow
+
+The sketcher integrates with 3D working planes through projected geometry:
+
+1. **3D Geometry Selection**: User selects 3D lines/points in VTK widget
+2. **Plane Definition**: System computes working plane from selections
+3. **Geometry Projection**: 3D geometry is projected onto 2D working plane
+4. **Sketch Import**: Projected geometry is imported as construction geometry
+
+### Projection Import Methods
+
+#### `convert_proj_points(proj_points)`
+Imports projected 3D points as 2D construction points:
+```python
+def convert_proj_points(self, proj_points):
+    for point_data in proj_points:
+        if hasattr(point_data, 'x') and hasattr(point_data, 'y'):
+            point = Point2D(point_data.x, point_data.y, True)  # Construction
+            self.sketch.add_point(point)
+```
+
+#### `convert_proj_lines(proj_lines)`
+Imports projected 3D lines as 2D construction lines:
+```python
+def convert_proj_lines(self, proj_lines):
+    for line_data in proj_lines:
+        # Handle object format
+        if hasattr(line_data, 'start') and hasattr(line_data, 'end'):
+            x1, y1 = line_data.start.x, line_data.start.y
+            x2, y2 = line_data.end.x, line_data.end.y
+            
+            # Skip degenerate lines
+            if abs(x1 - x2) < 1e-6 and abs(y1 - y2) < 1e-6:
+                continue
+            
+            start = Point2D(x1, y1, True)
+            end = Point2D(x2, y2, True)
+            self.sketch.add_point(start)
+            self.sketch.add_point(end)
+            line = Line2D(start, end, True)
+            self.sketch.add_line(line)
+```
+
+### Construction vs Normal Geometry
+
+- **Construction Geometry**: 
+  - Rendered in green with dotted lines
+  - Used for reference and alignment
+  - Created from projected 3D geometry
+  - Flag: `is_construction=True`
+
+- **Normal Geometry**: 
+  - Rendered in gray with solid lines
+  - Part of the actual sketch design
+  - Created by user drawing actions
+  - Flag: `is_construction=False`
+
+## API Reference
+
+### Main Widget Class
+
+#### ImprovedSketchWidget
+
+**Initialization:**
+```python
+widget = ImprovedSketchWidget()
+widget.show()
+```
+
+**Mode Control:**
+```python
+# Set drawing modes
+widget.set_mode(SketchMode.LINE)
+widget.set_mode(SketchMode.NONE)  # Enable selection/dragging
+widget.set_mode(None)  # Also converted to SketchMode.NONE
+
+# Construction geometry
+widget.set_construction_mode(True)
+```
+
+**Snapping Control:**
+```python
+widget.set_snap_mode(SnapMode.POINT, True)
+widget.toggle_snap_mode(SnapMode.MIDPOINT, enabled)
+```
+
+**View Control:**
+```python
+widget.zoom_to_fit()
+```
+
+**Sketch Access:**
+```python
+sketch = widget.get_sketch()
+widget.set_sketch(imported_sketch)
+```
+
+### Sketch Management
+
+#### ImprovedSketch
+
+**Geometry Addition:**
+```python
+sketch = ImprovedSketch()
+point = Point2D(10, 20)
+line = Line2D(start_point, end_point)
+circle = Circle2D(center_point, radius)
+
+sketch.add_point(point)
+sketch.add_line(line)
+sketch.add_circle(circle)
+```
+
+**Constraint Application:**
+```python
+# Distance constraint
+sketch.distance(point1.handle, point2.handle, 50.0, sketch.wp)
+
+# Coincident constraint
+sketch.coincident(point1.handle, point2.handle, sketch.wp)
+
+# Line constraints
+sketch.horizontal(line.handle, sketch.wp)
+sketch.vertical(line.handle, sketch.wp)
+
+# Solve system
+result = sketch.solve_system()
+```
+
+### Signals
+
+The widget emits several signals for integration:
+
+```python
+# Emitted when constraint is successfully applied
+widget.constraint_applied.connect(callback)
+
+# Emitted when new geometry is created
+widget.geometry_created.connect(callback)  # Parameter: geometry type string
+
+# Emitted when sketch is modified
+widget.sketch_modified.connect(callback)
+```
+
+## Performance Considerations
+
+### Optimization Strategies
+
+1. **Lazy Solving**: Solver only runs when necessary (after constraints or drag end)
+2. **Efficient Rendering**: Uses Qt's optimized drawing primitives
+3. **Smart Updates**: Only redraws affected regions when possible
+4. **Handle Caching**: SolverSpace handles are cached to avoid recreation
+
+### Memory Management
+
+- Geometry objects use weak references where possible
+- SolverSpace handles are properly cleaned up
+- Qt objects follow parent-child hierarchy for automatic cleanup
+
+### Scalability Limits
+
+- Recommended maximum: ~1000 geometric entities
+- Solver performance degrades with complex constraint networks
+- Rendering remains smooth up to ~10,000 entities
+
+## Troubleshooting
+
+### Common Issues
+
+#### Mode Handling Problems
+**Symptoms**: Unintended line creation when dragging, tools not deactivating properly
+**Causes**: Mode not properly reset to NONE, Python None vs SketchMode.NONE confusion
+**Solutions**:
+- Always right-click to exit active modes
+- Ensure `set_mode(None)` is converted to `SketchMode.NONE`
+- Verify mode state after tool deactivation in main app
+
+#### Point Dragging Issues  
+**Symptoms**: Cannot drag points, dragging creates unwanted lines
+**Causes**: Mode not set to NONE, safety checks preventing drag detection
+**Solutions**:
+- Verify current mode is `SketchMode.NONE` before attempting to drag
+- Right-click to ensure proper mode exit from drawing tools
+- Check that point detection threshold is appropriate
+
+#### Solver Failures
+**Symptoms**: Constraints not applied, geometry not updating
+**Causes**: Over-constrained systems, conflicting constraints
+**Solutions**: 
+- Check constraint compatibility
+- Verify geometry validity
+- Use `ResultFlag` inspection for error details
+
+#### Coordinate Transform Issues
+**Symptoms**: Mouse clicks don't match visual geometry
+**Causes**: Incorrect transform calculations, zoom/pan state corruption
+**Solutions**:
+- Verify `_viewport_to_local` and `_setup_coordinate_system` consistency
+- Reset view with `zoom_to_fit()`
+
+#### Performance Problems
+**Symptoms**: Slow dragging, UI lag
+**Causes**: Solver running during drag, excessive redraws
+**Solutions**:
+- Ensure solver only runs in `_end_point_drag`
+- Check render loop efficiency
+- Profile with Qt performance tools
+
+#### Snap Behavior Issues
+**Symptoms**: Inconsistent snapping, incorrect snap points
+**Causes**: Priority conflicts, threshold settings, coordinate errors
+**Solutions**:
+- Adjust snap threshold in `SnapSettings`
+- Verify snap priority order
+- Check coordinate conversion in snap calculations
+
+### Debug Logging
+
+Enable detailed logging for troubleshooting:
+```python
+import logging
+logging.basicConfig(level=logging.DEBUG)
+logger = logging.getLogger('improved_sketcher')
+```
+
+Key log messages include:
+- Geometry addition/removal
+- Constraint application results
+- Solver execution status
+- Coordinate transformations
+- Snap calculations
+
+### Testing Guidelines
+
+#### Unit Testing
+- Test geometry classes with edge cases
+- Verify coordinate transformations
+- Test constraint application logic
+
+#### Integration Testing
+- Test with various sketch sizes
+- Verify working plane integration
+- Test complex constraint networks
+
+#### Performance Testing
+- Measure solver execution time
+- Profile rendering performance
+- Test with large geometry sets
+
+---
+
+## Recent Improvements (2025-08-16)
+
+### Mode Handling Enhancements
+
+Significant improvements have been made to the mode management system:
+
+#### Fixed Issues
+1. **Unintended Line Creation**: Resolved issue where dragging with line tool deactivated would still create lines
+2. **Mode Reset Reliability**: Right-click now reliably exits any active mode and returns to NONE
+3. **Backward Compatibility**: Python `None` mode values are automatically converted to `SketchMode.NONE`
+4. **Safety Checks**: Added comprehensive checks to prevent drawing operations in NONE mode
+
+#### Implementation Details
+- Enhanced `_handle_right_click()` to directly set mode to NONE
+- Added safety checks in `_handle_left_click()` for NONE mode behavior
+- Improved `set_mode()` method to handle None input gracefully
+- Added comprehensive debug logging for mode transitions
+
+#### Integration Improvements
+- Fixed main app integration where constraint modes were prematurely reset
+- Ensured persistent constraint behavior until explicit user cancellation
+- Maintained UI button state consistency with actual sketcher mode
+
+These improvements ensure reliable mode transitions and prevent common user frustrations with unintended geometry creation.
+
+## Conclusion
+
+The ImprovedSketchWidget provides a robust, extensible foundation for 2D parametric sketching in Fluency CAD. Its architecture separates concerns effectively, uses proven libraries (SolverSpace, PySide6), and provides rich interaction capabilities while maintaining good performance characteristics.
+
+The system is designed for extensibility - new geometry types, constraint types, and interaction modes can be added following the established patterns. The comprehensive API allows for both direct use and integration with larger CAD systems.
+
+With the recent mode handling improvements, the sketcher now provides a more reliable and intuitive user experience, with proper separation between drawing modes and selection/manipulation operations.
@@ -0,0 +1 @@
+ pyside6-uic gui.ui > Gui.py -g python
@@ -0,0 +1,35 @@
+# Signal Flow
+## 2D SketchWidget
+
+- 2D QPoint form custom Qpainter widget in linear space
+- 2D QPoint ot cartesian space
+- 2D tuple into slvspace dict system and solvespace 
+- get calced position from Solvespace solver
+- add to internal reference dict 
+- Transform to linear QPainter space for display to show
+
+## 3D custom Widget
+
+- Take Tuple points form solvespace main dict
+- Draw Interactor and sdfCAD model
+
+### Select and Project
+
+- Project cartesian flattened mesh into 2D 
+- Transform to 2D xy
+- Transform to linear space for 2D widget to draw.
+- Result into 2D cartesian for body interaction extrude etc
+
+### Elements
+
+So far these are the elements: 
+
+- Project: Main File 
+- Timeline : Used to track the steps
+- Assembly: Uses Components and Connectors to from Assemblies
+- Component: Container for multiple smaller elements "part"
+- Connector: Preserves connections between parts even if the part in between is deleted
+- Code: A special type that directly builds bodys from sdfCAD code.
+- Body: The 3D meshed result from sdfCAD
+- Sketch: The base to draw new entities.
+- Interactor (edges): A special component mesh that is used to manipulate the bodys in 3d view.
@@ -0,0 +1,3 @@
+## Compile ui file
+pyside6-uic gui.ui > Gui.py -g python
+
@@ -0,0 +1,916 @@
+import math
+import re
+from copy import copy
+from typing import Optional
+
+import numpy as np
+from PySide6.QtWidgets import QApplication, QWidget, QMessageBox, QInputDialog
+from PySide6.QtGui import QPainter, QPen, QColor, QTransform
+from PySide6.QtCore import Qt, QPoint, QPointF, Signal, QLine
+from python_solvespace import SolverSystem, ResultFlag
+
+
+class SketchWidget(QWidget):
+    constrain_done = Signal()
+
+    def __init__(self):
+        super().__init__()
+
+        self.line_draw_buffer = [None, None]
+        self.drag_buffer = [None, None]
+        self.main_buffer = [None, None]
+
+        self.hovered_point = None
+        self.selected_line = None
+
+        self.snapping_range = 20  # Range in pixels for snapping
+        self.zoom = 1
+
+        self.setMouseTracking(True)
+        self.mouse_mode = False
+        self.solv = SolverSystem()
+
+        self.sketch = None
+
+    def set_sketch(self, sketch) -> None:
+        print(sketch)
+        self.sketch = sketch
+        self.create_workplane()
+
+    def get_sketch(self):
+        return self.sketch
+
+    def reset_buffers(self):
+        self.line_draw_buffer = [None, None]
+        self.drag_buffer = [None, None]
+        self.main_buffer = [None, None]
+
+    def set_points(self, points: list):
+        self.points = points
+        #self.update()
+
+    def create_workplane(self):
+        self.sketch.working_plane = self.solv.create_2d_base()
+
+    def create_workplane_projected(self):
+        self.sketch.working_plane = self.solv.create_2d_base()
+
+    def convert_proj_points(self):
+        out_points = []
+        for point in self.sketch.proj_points:
+            x, y = point
+            coord = QPoint(x, y)
+            out_points.append(coord)
+
+        self.sketch.proj_points = out_points
+
+    def convert_proj_lines(self):
+        out_lines = []
+        for line in self.sketch.proj_lines:
+            start = QPoint(line[0][0], line[0][1])
+            end = QPoint(line[1][0], line[1][1])
+            coord = QLine(start, end)
+            out_lines.append(coord)
+        self.sketch.proj_lines = out_lines
+
+    def find_duplicate_points_2d(self, edges):
+        points = []
+        seen = set()
+        duplicates = []
+
+        for edge in edges:
+            for point in edge:
+                # Extract only x and y coordinates
+                point_2d = (point[0], point[1])
+                if point_2d in seen:
+                    if point_2d not in duplicates:
+                        duplicates.append(point_2d)
+                else:
+                    seen.add(point_2d)
+                points.append(point_2d)
+
+        return duplicates
+
+    def normal_to_quaternion(self, normal):
+        normal = np.array(normal)
+        #normal = normal / np.linalg.norm(normal)
+
+        axis = np.cross([0, 0, 1], normal)
+        if np.allclose(axis, 0):
+            axis = np.array([1, 0, 0])
+        else:
+            axis = axis / np.linalg.norm(axis)  # Normalize the axis
+
+        angle = np.arccos(np.dot([0, 0, 1], normal))
+
+        qw = np.cos(angle / 2)
+        sin_half_angle = np.sin(angle / 2)
+        qx, qy, qz = axis * sin_half_angle  # This will now work correctly
+
+        return qw, qx, qy, qz
+
+    def create_workplane_space(self, points, normal):
+        print("edges", points)
+        origin = self.find_duplicate_points_2d(points)
+        print(origin)
+        x, y = origin[0]
+        origin = QPoint(x, y)
+
+        origin_handle = self.get_handle_from_ui_point(origin)
+        qw, qx, qy, qz = self.normal_to_quaternion(normal)
+
+        slv_normal = self.solv.add_normal_3d(qw, qx, qy, qz)
+        self.sketch.working_plane = self.solv.add_work_plane(origin_handle, slv_normal)
+        print(self.sketch.working_plane)
+
+    def get_handle_nr(self, input_str: str) -> int:
+        # Define the regex pattern to extract the handle number
+        pattern = r"handle=(\d+)"
+
+        # Use re.search to find the handle number in the string
+        match = re.search(pattern, input_str)
+
+        if match:
+            handle_number = int(match.group(1))
+            print(f"Handle number: {handle_number}")
+            return int(handle_number)
+
+        else:
+            print("Handle number not found.")
+            return 0
+
+    def get_keys(self, d: dict, target: QPoint) -> list:
+        result = []
+        path = []
+        print(d)
+        print(target)
+        for k, v in d.items():
+            path.append(k)
+            if isinstance(v, dict):
+                self.get_keys(v, target)
+            if v == target:
+                result.append(copy(path))
+            path.pop()
+
+        return result
+
+    def get_handle_from_ui_point(self, ui_point: QPoint):
+        """Input QPoint and you shall reveive a slvs entity handle!"""
+        for point in self.sketch.slv_points:
+            if ui_point == point['ui_point']:
+                slv_handle = point['solv_handle']
+
+                return slv_handle
+
+    def get_line_handle_from_ui_point(self, ui_point: QPoint):
+        """Input Qpoint that is on a line and you shall receive the handle of the line!"""
+        for target_line_con in self.sketch.slv_lines:
+            if self.is_point_on_line(ui_point, target_line_con['ui_points'][0], target_line_con['ui_points'][1]):
+                slv_handle = target_line_con['solv_handle']
+
+                return slv_handle
+
+    def get_point_line_handles_from_ui_point(self, ui_point: QPoint) -> tuple:
+        """Input Qpoint that is on a line and you shall receive the handles of the points of the line!"""
+        for target_line_con in self.sketch.slv_lines:
+            if self.is_point_on_line(ui_point, target_line_con['ui_points'][0], target_line_con['ui_points'][1]):
+                lines_to_cons = target_line_con['solv_entity_points']
+
+                return lines_to_cons
+
+    def distance(self, p1, p2):
+        return math.sqrt((p1.x() - p2.x())**2 + (p1.y() - p2.y())**2)
+
+    def calculate_midpoint(self, point1, point2):
+        mx = (point1.x() + point2.x()) // 2
+        my = (point1.y() + point2.y()) // 2
+        return QPoint(mx, my)
+
+    def is_point_on_line(self, p, p1, p2, tolerance=5):
+        # Calculate the lengths of the sides of the triangle
+        a = self.distance(p, p1)
+        b = self.distance(p, p2)
+        c = self.distance(p1, p2)
+
+        # Calculate the semi-perimeter
+        s = (a + b + c) / 2
+
+        # Calculate the area using Heron's formula
+        area = math.sqrt(s * (s - a) * (s - b) * (s - c))
+
+        # Calculate the height (perpendicular distance from the point to the line)
+        if c > 0:
+            height = (2 * area) / c
+            # Check if the height is within the tolerance distance to the line
+            if height > tolerance:
+                return False
+
+            # Check if the projection of the point onto the line is within the line segment
+            dot_product = ((p.x() - p1.x()) * (p2.x() - p1.x()) + (p.y() - p1.y()) * (p2.y() - p1.y())) / (c ** 2)
+
+            return 0 <= dot_product <= 1
+        else:
+            return None
+
+    def viewport_to_local_coord(self, qt_pos : QPoint) -> QPoint:
+        return QPoint(self.to_quadrant_coords(qt_pos))
+
+    def check_all_points(self,) -> list:
+        old_points_ui = []
+        new_points_ui = []
+
+        for old_point_ui in self.sketch.slv_points:
+            old_points_ui.append(old_point_ui['ui_point'])
+
+        for i in range(self.solv.entity_len()):
+            # Iterate though full length because mixed list from SS
+            entity = self.solv.entity(i)
+            if entity.is_point_2d() and self.solv.params(entity.params):
+                x_tbu, y_tbu = self.solv.params(entity.params)
+                point_solved = QPoint(x_tbu, y_tbu)
+                new_points_ui.append(point_solved)
+
+        # Now we have old_points_ui and new_points_ui, let's compare them
+        differences = []
+
+        if len(old_points_ui) != len(new_points_ui):
+            print(f"Length mismatch {len(old_points_ui)} - {len(new_points_ui)}")
+
+        for index, (old_point, new_point) in enumerate(zip(old_points_ui, new_points_ui)):
+            if old_point != new_point:
+                differences.append((index, old_point, new_point))
+
+        return differences
+
+    def update_ui_points(self, point_list: list):
+        # Print initial state of slv_points_main
+        # print("Initial slv_points_main:", self.slv_points_main)
+        print("Change list:", point_list)
+
+        if len(point_list) > 0:
+            for tbu_points_idx in point_list:
+                # Each tbu_points_idx is a tuple: (index, old_point, new_point)
+                index, old_point, new_point = tbu_points_idx
+
+                # Update the point in slv_points_main
+                self.sketch.slv_points[index]['ui_point'] = new_point
+            # Print updated state
+            # print("Updated slv_points_main:", self.slv_points_main)
+
+    def check_all_lines_and_update(self,changed_points: list):
+        for tbu_points_idx in changed_points:
+            index, old_point, new_point = tbu_points_idx
+            for line_needs_update in self.sketch.slv_lines:
+                if old_point == line_needs_update['ui_points'][0]:
+                    line_needs_update['ui_points'][0] = new_point
+                elif old_point == line_needs_update['ui_points'][1]:
+                    line_needs_update['ui_points'][1] = new_point
+
+    def mouseReleaseEvent(self, event):
+        local_event_pos = self.viewport_to_local_coord(event.pos())
+
+        if event.button() == Qt.LeftButton and not self.mouse_mode:
+            self.drag_buffer[1] = local_event_pos
+
+            print("Le main buffer", self.drag_buffer)
+
+            if len(self.main_buffer) == 2:
+                entry = self.drag_buffer[0]
+                new_params = self.drag_buffer[1].x(), self.drag_buffer[1].y()
+                self.solv.set_params(entry.params, new_params)
+
+                self.solv.solve()
+
+                points_need_update = self.check_all_points()
+                self.update_ui_points(points_need_update)
+                self.check_all_lines_and_update(points_need_update)
+
+                self.update()
+                self.drag_buffer = [None, None]
+
+    def mousePressEvent(self, event):
+        local_event_pos = self.viewport_to_local_coord(event.pos())
+
+        relation_point = {
+            'handle_nr': None,
+            'solv_handle': None,
+            'ui_point': None,
+            'part_of_entity': None
+        }
+
+        relation_line = {
+            'handle_nr': None,
+            'solv_handle': None,
+            'solv_entity_points': None,
+            'ui_points': None
+        }
+
+        if event.button() == Qt.LeftButton and not self.mouse_mode:
+            self.drag_buffer[0] = self.get_handle_from_ui_point(self.hovered_point)
+
+        if event.button() == Qt.RightButton and self.mouse_mode:
+            self.reset_buffers()
+
+        if event.button() == Qt.LeftButton and self.mouse_mode == "line":
+            if self.hovered_point:
+                clicked_pos = self.hovered_point
+            else:
+                clicked_pos = local_event_pos
+
+            if not self.line_draw_buffer[0]:
+                self.line_draw_buffer[0] = clicked_pos
+                u = clicked_pos.x()
+                v = clicked_pos.y()
+
+                point = self.solv.add_point_2d(u, v, self.sketch.working_plane)
+
+                relation_point = {}  # Reinitialize the dictionary
+                handle_nr = self.get_handle_nr(str(point))
+                relation_point['handle_nr'] = handle_nr
+                relation_point['solv_handle'] = point
+                relation_point['ui_point'] = clicked_pos
+
+                self.sketch.slv_points.append(relation_point)
+
+                print("points", self.sketch.slv_points)
+                print("lines", self.sketch.slv_lines)
+
+            elif self.line_draw_buffer[0]:
+                self.line_draw_buffer[1] = clicked_pos
+                u = clicked_pos.x()
+                v = clicked_pos.y()
+
+                point2 = self.solv.add_point_2d(u, v, self.sketch.working_plane)
+
+                relation_point = {}  # Reinitialize the dictionary
+                handle_nr = self.get_handle_nr(str(point2))
+                relation_point['handle_nr'] = handle_nr
+                relation_point['solv_handle'] = point2
+                relation_point['ui_point'] = clicked_pos
+
+                self.sketch.slv_points.append(relation_point)
+
+                print("points", self.sketch.slv_points)
+                print("lines", self.sketch.slv_lines)
+
+            print("Buffer state", self.line_draw_buffer)
+
+            if self.line_draw_buffer[0] and self.line_draw_buffer[1]:
+
+                point_slv1 = self.get_handle_from_ui_point(self.line_draw_buffer[0])
+                point_slv2 = self.get_handle_from_ui_point(self.line_draw_buffer[1])
+                print(point_slv1)
+                print(point_slv2)
+
+                line = self.solv.add_line_2d(point_slv1, point_slv2, self.sketch.working_plane)
+
+                relation_line = {}  # Reinitialize the dictionary
+                handle_nr_line = self.get_handle_nr(str(line))
+                relation_line['handle_nr'] = handle_nr_line
+                relation_line['solv_handle'] = line
+                relation_line['solv_entity_points'] = (point_slv1, point_slv2)
+                relation_line['ui_points'] = [self.line_draw_buffer[0], self.line_draw_buffer[1]]
+
+                # Track relationship of point in line
+                relation_point['part_of_entity'] = handle_nr_line
+
+                self.sketch.slv_lines.append(relation_line)
+
+                # Reset the buffer for the next line segment
+                self.line_draw_buffer[0] = self.line_draw_buffer[1]
+                self.line_draw_buffer[1] = None
+
+            # Track Relationship
+            # Points
+
+        if event.button() == Qt.LeftButton and self.mouse_mode == "pt_pt":
+            if self.hovered_point and not self.main_buffer[0]:
+                self.main_buffer[0] = self.get_handle_from_ui_point(self.hovered_point)
+
+            elif self.main_buffer[0]:
+                self.main_buffer[1] = self.get_handle_from_ui_point(self.hovered_point)
+
+            if self.main_buffer[0] and self.main_buffer[1]:
+                print("buf", self.main_buffer)
+
+                self.solv.coincident(self.main_buffer[0], self.main_buffer[1], self.sketch.working_plane)
+
+                if self.solv.solve() == ResultFlag.OKAY:
+                    print("Fuck yeah")
+
+                elif self.solv.solve() == ResultFlag.DIDNT_CONVERGE:
+                    print("Solve_failed - Converge")
+
+                elif self.solv.solve() == ResultFlag.TOO_MANY_UNKNOWNS:
+                    print("Solve_failed - Unknowns")
+
+                elif self.solv.solve() == ResultFlag.INCONSISTENT:
+                    print("Solve_failed - Incons")
+                self.constrain_done.emit()
+                self.main_buffer = [None, None]
+
+        if event.button() == Qt.LeftButton and self.mouse_mode == "pt_line":
+            print("ptline")
+            line_selected = None
+
+            if self.hovered_point and not self.main_buffer[1]:
+                self.main_buffer[0] = self.get_handle_from_ui_point(self.hovered_point)
+
+            elif self.main_buffer[0]:
+                self.main_buffer[1] = self.get_line_handle_from_ui_point(local_event_pos)
+
+                # Contrain point to line
+                if self.main_buffer[1]:
+                    self.solv.coincident(self.main_buffer[0], self.main_buffer[1], self.sketch.working_plane)
+
+                    if self.solv.solve() == ResultFlag.OKAY:
+                        print("Fuck yeah")
+                        self.constrain_done.emit()
+
+                    elif self.solv.solve() == ResultFlag.DIDNT_CONVERGE:
+                        print("Solve_failed - Converge")
+
+                    elif self.solv.solve() == ResultFlag.TOO_MANY_UNKNOWNS:
+                        print("Solve_failed - Unknowns")
+
+                    elif self.solv.solve() == ResultFlag.INCONSISTENT:
+                        print("Solve_failed - Incons")
+
+                    self.constrain_done.emit()
+                    # Clear saved_points after solve attempt
+                    self.main_buffer = [None, None]
+
+        if event.button() == Qt.LeftButton and self.mouse_mode == "pb_con_mid":
+            print("ptline")
+            line_selected = None
+
+            if self.hovered_point and not self.main_buffer[1]:
+                self.main_buffer[0] = self.get_handle_from_ui_point(self.hovered_point)
+
+            elif self.main_buffer[0]:
+                self.main_buffer[1] = self.get_line_handle_from_ui_point(local_event_pos)
+
+                # Contrain point to line
+                if self.main_buffer[1]:
+                    self.solv.midpoint(self.main_buffer[0], self.main_buffer[1], self.sketch.working_plane)
+
+                    if self.solv.solve() == ResultFlag.OKAY:
+                        print("Fuck yeah")
+
+                    elif self.solv.solve() == ResultFlag.DIDNT_CONVERGE:
+                        print("Solve_failed - Converge")
+
+                    elif self.solv.solve() == ResultFlag.TOO_MANY_UNKNOWNS:
+                        print("Solve_failed - Unknowns")
+
+                    elif self.solv.solve() == ResultFlag.INCONSISTENT:
+                        print("Solve_failed - Incons")
+                    self.constrain_done.emit()
+
+                    self.main_buffer = [None, None]
+
+        if event.button() == Qt.LeftButton and self.mouse_mode == "horiz":
+
+            line_selected = self.get_line_handle_from_ui_point(local_event_pos)
+
+            if line_selected:
+                self.solv.horizontal(line_selected, self.sketch.working_plane)
+
+            if self.solv.solve() == ResultFlag.OKAY:
+                print("Fuck yeah")
+
+            elif self.solv.solve() == ResultFlag.DIDNT_CONVERGE:
+                print("Solve_failed - Converge")
+
+            elif self.solv.solve() == ResultFlag.TOO_MANY_UNKNOWNS:
+                print("Solve_failed - Unknowns")
+
+            elif self.solv.solve() == ResultFlag.INCONSISTENT:
+                print("Solve_failed - Incons")
+
+        if event.button() == Qt.LeftButton and self.mouse_mode == "vert":
+            line_selected = self.get_line_handle_from_ui_point(local_event_pos)
+
+            if line_selected:
+                self.solv.vertical(line_selected, self.sketch.working_plane)
+
+                if self.solv.solve() == ResultFlag.OKAY:
+                    print("Fuck yeah")
+
+                elif self.solv.solve() == ResultFlag.DIDNT_CONVERGE:
+                    print("Solve_failed - Converge")
+
+                elif self.solv.solve() == ResultFlag.TOO_MANY_UNKNOWNS:
+                    print("Solve_failed - Unknowns")
+
+                elif self.solv.solve() == ResultFlag.INCONSISTENT:
+                    print("Solve_failed - Incons")
+
+        if event.button() == Qt.LeftButton and self.mouse_mode == "distance":
+            # Depending on selected elemnts either point line or line distance
+            #print("distance")
+            e1 = None
+            e2 = None
+
+            if self.hovered_point:
+                print("buf point")
+                # Get the point as UI point as buffer
+                self.main_buffer[0] = self.hovered_point
+
+            elif self.selected_line:
+                # Get the point as UI point as buffer
+                self.main_buffer[1] = local_event_pos
+
+            if self.main_buffer[0] and self.main_buffer[1]:
+                # Define point line combination
+                e1 = self.get_handle_from_ui_point(self.main_buffer[0])
+                e2 = self.get_line_handle_from_ui_point(self.main_buffer[1])
+
+            elif not self.main_buffer[0]:
+                # Define only line selection
+                e1, e2 = self.get_point_line_handles_from_ui_point(local_event_pos)
+
+            if e1 and e2:
+                # Ask fo the dimension and solve if both elements are present
+                length, ok = QInputDialog.getDouble(self, 'Distance', 'Enter a mm value:', value=100, decimals=2)
+                self.solv.distance(e1, e2, length, self.sketch.working_plane)
+
+                if self.solv.solve() == ResultFlag.OKAY:
+                    print("Fuck yeah")
+
+                elif self.solv.solve() == ResultFlag.DIDNT_CONVERGE:
+                    print("Solve_failed - Converge")
+
+                elif self.solv.solve() == ResultFlag.TOO_MANY_UNKNOWNS:
+                    print("Solve_failed - Unknowns")
+
+                elif self.solv.solve() == ResultFlag.INCONSISTENT:
+                    print("Solve_failed - Incons")
+
+                self.constrain_done.emit()
+                self.main_buffer = [None, None]
+
+        # Update the main point list with the new elements and draw them
+        points_need_update = self.check_all_points()
+        self.update_ui_points(points_need_update)
+        self.check_all_lines_and_update(points_need_update)
+
+        self.update()
+
+    def mouseMoveEvent(self, event):
+        local_event_pos = self.viewport_to_local_coord(event.pos())
+
+        closest_point = None
+        min_distance = float('inf')
+        threshold = 10  # Distance threshold for highlighting
+
+        if self.sketch:
+
+            for point in self.sketch.slv_points:
+                distance = (local_event_pos - point['ui_point']).manhattanLength()
+                if distance < threshold and distance < min_distance:
+                    closest_point = point['ui_point']
+                    min_distance = distance
+
+            for point in self.sketch.proj_points:
+                distance = (local_event_pos - point).manhattanLength()
+                if distance < threshold and distance < min_distance:
+                    closest_point = point
+                    min_distance = distance
+
+            if closest_point != self.hovered_point:
+                self.hovered_point = closest_point
+                print(self.hovered_point)
+
+            for dic in self.sketch.slv_lines:
+                p1 = dic['ui_points'][0]
+                p2 = dic['ui_points'][1]
+
+                if self.is_point_on_line(local_event_pos, p1, p2):
+                    self.selected_line = p1, p2
+                    break
+                else:
+                    self.selected_line = None
+
+            self.update()
+
+    def mouseDoubleClickEvent(self, event):
+        pass
+
+    def drawBackgroundGrid(self, painter):
+        """Draw a background grid."""
+        grid_spacing = 50
+        pen = QPen(QColor(200, 200, 200), 1, Qt.SolidLine)
+        painter.setPen(pen)
+
+        # Draw vertical grid lines
+        for x in range(-self.width() // 2, self.width() // 2, grid_spacing):
+            painter.drawLine(x, -self.height() // 2, x, self.height() // 2)
+
+        # Draw horizontal grid lines
+        for y in range(-self.height() // 2, self.height() // 2, grid_spacing):
+            painter.drawLine(-self.width() // 2, y, self.width() // 2, y)
+
+    def drawAxes(self, painter):
+        painter.setRenderHint(QPainter.Antialiasing)
+
+        # Set up pen for dashed lines
+        pen = QPen(Qt.gray, 1, Qt.DashLine)
+        painter.setPen(pen)
+
+        middle_x = self.width() // 2
+        middle_y = self.height() // 2
+
+        # Draw X axis as dashed line
+        painter.drawLine(0, middle_y, self.width(), middle_y)
+
+        # Draw Y axis as dashed line
+        painter.drawLine(middle_x, 0, middle_x, self.height())
+
+        # Draw tick marks
+        tick_length = int(10  * self.zoom)
+        tick_spacing = int(50 * self.zoom)
+
+        pen = QPen(Qt.gray, 1, Qt.SolidLine)
+        painter.setPen(pen)
+
+        # Draw tick marks on the X axis to the right and left from the middle point
+        for x in range(0, self.width() // 2, tick_spacing):
+            painter.drawLine(middle_x + x, middle_y - tick_length // 2, middle_x + x, middle_y + tick_length // 2)
+            painter.drawLine(middle_x - x, middle_y - tick_length // 2, middle_x - x, middle_y + tick_length // 2)
+
+        # Draw tick marks on the Y axis upwards and downwards from the middle point
+        for y in range(0, self.height() // 2, tick_spacing):
+            painter.drawLine(middle_x - tick_length // 2, middle_y + y, middle_x + tick_length // 2, middle_y + y)
+            painter.drawLine(middle_x - tick_length // 2, middle_y - y, middle_x + tick_length // 2, middle_y - y)
+
+        # Draw the origin point in red
+        painter.setPen(QPen(Qt.red, 4))
+        painter.drawPoint(middle_x, middle_y)
+
+    def draw_cross(self, painter, pos: QPoint, size=10):
+        # Set up the pen
+        pen = QPen(QColor('green'))  # You can change the color as needed
+        pen.setWidth(int(2 / self.zoom))  # Set the line widt)h
+        painter.setPen(pen)
+        x = pos.x()
+        y = pos.y()
+
+        # Calculate the endpoints of the cross
+        half_size = size // 2
+
+        # Draw the horizontal line
+        painter.drawLine(x - half_size, y, x + half_size, y)
+
+        # Draw the vertical line
+        painter.drawLine(x, y - half_size, x, y + half_size)
+
+    def to_quadrant_coords(self, point):
+        """Translate linear coordinates to quadrant coordinates."""
+        center_x = self.width() // 2
+        center_y = self.height() // 2
+        quadrant_x = point.x() - center_x
+        quadrant_y = center_y - point.y()  # Note the change here
+        return QPoint(quadrant_x, quadrant_y) / self.zoom
+
+    def from_quadrant_coords(self, point: QPoint):
+        """Translate quadrant coordinates to linear coordinates."""
+        center_x = self.width() // 2
+        center_y = self.height() // 2
+        widget_x = center_x + point.x() * self.zoom
+        widget_y = center_y - point.y() * self.zoom  # Note the subtraction here
+        
+        return QPoint(int(widget_x), int(widget_y))
+
+    def from_quadrant_coords_no_center(self, point):
+        """Invert Y Coordinate for mesh"""
+        center_x = 0
+        center_y = 0
+        widget_x = point.x()
+        widget_y = -point.y()
+        return QPoint(int(widget_x), int(widget_y))
+
+    def paintEvent(self, event):
+        painter = QPainter(self)
+        painter.setRenderHint(QPainter.Antialiasing)
+
+        self.drawAxes(painter)
+
+        # Create a QTransform object
+        transform = QTransform()
+
+        # Translate the origin to the center of the widget
+        center = QPointF(self.width() / 2, self.height() / 2)
+        transform.translate(center.x(), center.y())
+
+        # Apply the zoom factor
+        transform.scale(self.zoom, -self.zoom)  # Negative y-scale to invert y-axis
+
+        # Set the transform to the painter
+        painter.setTransform(transform)
+
+        pen = QPen(Qt.gray)
+        pen.setWidthF(2 / self.zoom)
+        painter.setPen(pen)
+
+        # Draw points
+        if self.sketch:
+            for point in self.sketch.slv_points:
+                painter.drawEllipse(point['ui_point'], 3 / self.zoom, 3 / self.zoom)
+
+            for dic in self.sketch.slv_lines:
+                p1 = dic['ui_points'][0]
+                p2 = dic['ui_points'][1]
+                painter.drawLine(p1, p2)
+
+                dis = self.distance(p1, p2)
+                mid = self.calculate_midpoint(p1, p2)
+                painter.drawText(mid, str(round(dis, 2)))
+
+            pen = QPen(Qt.green)
+            pen.setWidthF(2 / self.zoom)
+            painter.setPen(pen)
+
+            if self.solv.entity_len():
+                for i in range(self.solv.entity_len()):
+                    entity = self.solv.entity(i)
+                    if entity.is_point_2d() and self.solv.params(entity.params):
+                        x, y = self.solv.params(entity.params)
+                        point = QPointF(x, y)
+                        painter.drawEllipse(point, 6 / self.zoom, 6 / self.zoom)
+
+            # Highlight point hovered
+            if self.hovered_point:
+                highlight_pen = QPen(QColor(255, 0, 0))
+                highlight_pen.setWidthF(2 / self.zoom)
+                painter.setPen(highlight_pen)
+                painter.drawEllipse(self.hovered_point, 5 / self.zoom, 5 / self.zoom)
+
+            # Highlight line hovered
+            if self.selected_line and not self.hovered_point:
+                p1, p2 = self.selected_line
+                painter.setPen(QPen(Qt.red, 2 / self.zoom))
+                painter.drawLine(p1, p2)
+
+            for cross in self.sketch.proj_points:
+                self.draw_cross(painter, cross, 10 / self.zoom)
+
+            for selected in self.sketch.proj_lines:
+                pen = QPen(Qt.white, 1, Qt.DashLine)
+                painter.setPen(pen)
+                painter.drawLine(selected)
+
+        painter.end()
+
+    def wheelEvent(self, event):
+        delta = event.angleDelta().y()
+        self.zoom += (delta / 200) * 0.1
+        self.update()
+    
+    def aspect_ratio(self):
+        return self.width() / self.height() * (1.0 / abs(self.zoom))
+
+
+class Point2D:
+    """Improved oop aaproach?"""
+    def __init__(self):
+        self.ui_point = None
+        self.solve_handle_nr = None
+        self.solve_handle = None
+        self.part_of_entity = None
+
+    def to_quadrant_coords(self, point):
+        """Translate linear coordinates to quadrant coordinates."""
+        center_x = self.width() // 2
+        center_y = self.height() // 2
+        quadrant_x = point.x() - center_x
+        quadrant_y = center_y - point.y()  # Note the change here
+
+        return QPoint(quadrant_x, quadrant_y) / self.zoom
+
+    def from_quadrant_coords(self, point: QPoint):
+        """Translate quadrant coordinates to linear coordinates."""
+        center_x = self.width() // 2
+        center_y = self.height() // 2
+        widget_x = center_x + point.x() * self.zoom
+        widget_y = center_y - point.y() * self.zoom  # Note the subtraction here
+
+        return QPoint(int(widget_x), int(widget_y))
+
+    def from_quadrant_coords_no_center(self, point):
+        """Invert Y Coordinate for mesh"""
+        center_x = 0
+        center_y = 0
+        widget_x = point.x()
+        widget_y = -point.y()
+
+        return QPoint(int(widget_x), int(widget_y))
+
+    def get_handle_nr(self, input_str: str) -> int:
+        # Define the regex pattern to extract the handle number
+        pattern = r"handle=(\d+)"
+
+        # Use re.search to find the handle number in the string
+        match = re.search(pattern, input_str)
+
+        if match:
+            handle_number = int(match.group(1))
+            print(f"Handle number: {handle_number}")
+            return int(handle_number)
+
+        else:
+            print("Handle number not found.")
+            return 0
+
+    def get_keys(self, d: dict, target: QPoint) -> list:
+        result = []
+        path = []
+        print(d)
+        print(target)
+        for k, v in d.items():
+            path.append(k)
+            if isinstance(v, dict):
+                self.get_keys(v, target)
+            if v == target:
+                result.append(copy(path))
+            path.pop()
+
+        return result
+
+    def get_handle_from_ui_point(self, ui_point: QPoint):
+        """Input QPoint and you shall reveive a slvs entity handle!"""
+        for point in self.sketch.slv_points:
+            if ui_point == point['ui_point']:
+                slv_handle = point['solv_handle']
+
+                return slv_handle
+
+    def get_line_handle_from_ui_point(self, ui_point: QPoint):
+        """Input Qpoint that is on a line and you shall receive the handle of the line!"""
+        for target_line_con in self.sketch.slv_lines:
+            if self.is_point_on_line(ui_point, target_line_con['ui_points'][0], target_line_con['ui_points'][1]):
+                slv_handle = target_line_con['solv_handle']
+
+                return slv_handle
+
+    def get_point_line_handles_from_ui_point(self, ui_point: QPoint) -> tuple:
+        """Input Qpoint that is on a line and you shall receive the handles of the points of the line!"""
+        for target_line_con in self.sketch.slv_lines:
+            if self.is_point_on_line(ui_point, target_line_con['ui_points'][0], target_line_con['ui_points'][1]):
+                lines_to_cons = target_line_con['solv_entity_points']
+
+                return lines_to_cons
+
+    def distance(self, p1, p2):
+        return math.sqrt((p1.x() - p2.x())**2 + (p1.y() - p2.y())**2)
+
+    def calculate_midpoint(self, point1, point2):
+        mx = (point1.x() + point2.x()) // 2
+        my = (point1.y() + point2.y()) // 2
+        return QPoint(mx, my)
+
+    def is_point_on_line(self, p, p1, p2, tolerance=5):
+        # Calculate the lengths of the sides of the triangle
+        a = self.distance(p, p1)
+        b = self.distance(p, p2)
+        c = self.distance(p1, p2)
+
+        # Calculate the semi-perimeter
+        s = (a + b + c) / 2
+
+        # Calculate the area using Heron's formula
+        area = math.sqrt(s * (s - a) * (s - b) * (s - c))
+
+        # Calculate the height (perpendicular distance from the point to the line)
+        if c > 0:
+            height = (2 * area) / c
+            # Check if the height is within the tolerance distance to the line
+            if height > tolerance:
+                return False
+
+            # Check if the projection of the point onto the line is within the line segment
+            dot_product = ((p.x() - p1.x()) * (p2.x() - p1.x()) + (p.y() - p1.y()) * (p2.y() - p1.y())) / (c ** 2)
+
+            return 0 <= dot_product <= 1
+        else:
+            return None
+
+    def viewport_to_local_coord(self, qt_pos : QPoint) -> QPoint:
+        return QPoint(self.to_quadrant_coords(qt_pos))
+
+
+class Line2D:
+    pass
+
+class Sketch2d(SolverSystem):
+    
+
+if __name__ == "__main__":
+    import sys
+
+    app = QApplication(sys.argv)
+    window = SketchWidget()
+    window.setWindowTitle("Snap Line Widget")
+    window.resize(800, 600)
+    window.show()
+    sys.exit(app.exec())
@@ -0,0 +1,504 @@
+import sys
+import numpy as np
+from PySide6.QtWidgets import QApplication, QMainWindow, QVBoxLayout, QWidget
+from PySide6.QtOpenGLWidgets import QOpenGLWidget
+from PySide6.QtCore import Qt, QPoint
+from OpenGL.GL import *
+from OpenGL.GLU import *
+
+##testing
+
+def create_cube(scale=1):
+    vertices = np.array([
+        [0, 0, 0],
+        [2, 0, 0],
+        [2, 2, 0],
+        [0, 2, 0],
+        [0, 0, 2],
+        [2, 0, 2],
+        [2, 2, 2],
+        [0, 2, 2]
+    ]) * scale
+
+    faces = np.array([
+        [0, 1, 2],
+        [2, 3, 0],
+        [4, 5, 6],
+        [6, 7, 4],
+        [0, 1, 5],
+        [5, 4, 0],
+        [2, 3, 7],
+        [7, 6, 2],
+        [0, 3, 7],
+        [7, 4, 0],
+        [1, 2, 6],
+        [6, 5, 1]
+    ])
+
+    return vertices, faces
+
+
+class MainWindow(QMainWindow):
+    def __init__(self):
+        super().__init__()
+        self.setWindowTitle("OpenGL Cube Viewer")
+        self.setGeometry(100, 100, 800, 600)
+
+        self.opengl_widget = OpenGLWidget()
+
+        central_widget = QWidget()
+        layout = QVBoxLayout()
+        layout.addWidget(self.opengl_widget)
+        central_widget.setLayout(layout)
+        self.setCentralWidget(central_widget)
+
+        # Load cube data
+        vertices, faces = create_cube()
+        self.opengl_widget.load_interactor_mesh((vertices, faces))
+
+
+class OpenGLWidget(QOpenGLWidget):
+    def __init__(self, parent=None):
+        super().__init__(parent)
+        self.vertices = None
+        self.faces = None
+        self.selected_face = -1
+        self.scale_factor = 1
+        self.mesh_loaded = None
+        self.interactor_loaded = None
+        self.centroid = None
+        self.stl_file = "out.stl"  # Replace with your STL file path
+        self.lastPos = QPoint()
+        self.startPos = None
+        self.endPos = None
+        self.xRot = 180
+        self.yRot = 0
+        self.zoom = -2
+        self.sketch = []
+        self.gl_width = self.width()
+        self.gl_height = self.height()
+
+    def map_value_to_range(self, value, value_min=0, value_max=1920, range_min=-1, range_max=1):
+        value = max(value_min, min(value_max, value))
+        mapped_value = ((value - value_min) / (value_max - value_min)) * (range_max - range_min) + range_min
+
+        return mapped_value
+
+    def load_stl(self, filename: str) -> object:
+        try:
+            stl_mesh = mesh.Mesh.from_file(filename)
+
+            # Extract vertices
+            vertices = np.concatenate([stl_mesh.v0, stl_mesh.v1, stl_mesh.v2])
+
+            # Calculate bounding box
+            min_x, min_y, min_z = vertices.min(axis=0)
+            max_x, max_y, max_z = vertices.max(axis=0)
+
+            # Calculate centroid
+            centroid_x = (min_x + max_x) / 2.0
+            centroid_y = (min_y + max_y) / 2.0
+            centroid_z = (min_z + max_z) / 2.0
+
+            self.mesh_loaded = stl_mesh.vectors
+            self.centroid = (centroid_x, centroid_y, centroid_z)
+
+        except FileNotFoundError:
+            print(f"Error: File {filename} not found.")
+        except Exception as e:
+            print(f"Error loading {filename}: {e}")
+
+        return None, (0, 0, 0)
+
+    def load_interactor_mesh(self, simp_mesh):
+        self.interactor_loaded = simp_mesh
+        # Calculate centroid based on the average position of vertices
+        centroid = np.mean(simp_mesh[0], axis=0)
+
+        self.centroid = tuple(centroid)
+        print(f"Centroid: {self.centroid}")
+
+        self.update()
+
+    def load_mesh_direct(self, mesh):
+        try:
+            stl_mesh = mesh
+
+            # Extract vertices
+            vertices = np.array(stl_mesh)
+
+            # Calculate centroid based on the average position of vertices
+            centroid = np.mean(vertices, axis=0)
+
+            self.mesh_loaded = vertices
+            self.centroid = tuple(centroid)
+            print(f"Centroid: {self.centroid}")
+            self.update()
+        except Exception as e:
+            print(e)
+
+    def clear_mesh(self):
+        self.mesh_loaded = None
+
+    def initializeGL(self):
+        glClearColor(0, 0, 0, 1)
+        glEnable(GL_DEPTH_TEST)
+
+    def resizeGL(self, width, height):
+        glViewport(0, 0, width, height)
+        glMatrixMode(GL_PROJECTION)
+        glLoadIdentity()
+
+        aspect = width / float(height)
+
+        self.gl_width = self.width()
+        self.gl_height = self.height()
+
+        gluPerspective(45.0, aspect, 0.01, 1000.0)
+        glMatrixMode(GL_MODELVIEW)
+
+    def unproject(self, x, y, z, modelview, projection, viewport):
+        mvp = np.dot(projection, modelview)
+        mvp_inv = np.linalg.inv(mvp)
+
+        ndc = np.array([(x - viewport[0]) / viewport[2] * 2 - 1,
+                        (y - viewport[1]) / viewport[3] * 2 - 1,
+                        2 * z - 1,
+                        1])
+
+        world = np.dot(mvp_inv, ndc)
+        print("world undproj", world)
+        return world[:3] / world[3]
+
+    def draw_ray(self, ray_start, ray_end):
+        glColor3f(1.0, 0.0, 0.0)  # Set the color of the ray (red)
+        glBegin(GL_LINES)
+        glVertex3f(*ray_start)
+        glVertex3f(*ray_end)
+        glEnd()
+
+    def mousePressEvent(self, event):
+        if event.buttons() & Qt.RightButton:
+            self.select_face(event)
+
+    def select_face(self, event):
+        x = event.position().x()
+        y = event.position().y()
+
+        modelview = glGetDoublev(GL_MODELVIEW_MATRIX)
+        projection = glGetDoublev(GL_PROJECTION_MATRIX)
+        viewport = glGetIntegerv(GL_VIEWPORT)
+
+        # Unproject near and far points in world space
+        ray_start = gluUnProject(x, y, 0.0, modelview, projection, viewport)
+        ray_end = gluUnProject(x, y, 1.0, modelview, projection, viewport)
+
+        ray_start = np.array(ray_start)
+        ray_end = np.array(ray_end)
+        ray_direction = ray_end - ray_start
+        ray_direction /= np.linalg.norm(ray_direction)
+
+        print(f"Ray start: {ray_start}")
+        print(f"Ray end: {ray_end}")
+        print(f"Ray direction: {ray_direction}")
+
+        self.selected_face = self.check_intersection(ray_start, ray_end)
+        print(f"Selected face: {self.selected_face}")
+
+        self.update()
+
+    def ray_box_intersection(self, ray_origin, ray_direction, box_min, box_max):
+        inv_direction = 1 / (ray_direction + 1e-7)  # Add small value to avoid division by zero
+        t1 = (box_min - ray_origin) * inv_direction
+        t2 = (box_max - ray_origin) * inv_direction
+
+        t_min = np.max(np.minimum(t1, t2))
+        t_max = np.min(np.maximum(t1, t2))
+
+        print(f"min: {t_min}, max: {t_max}" )
+
+        return t_max >= t_min and t_max > 0
+
+    def check_intersection(self, ray_start, ray_end):
+        # Get the current modelview matrix
+        modelview = glGetDoublev(GL_MODELVIEW_MATRIX)
+
+        # Transform vertices to camera space
+        vertices_cam = [np.dot(modelview, np.append(v, 1))[:3] for v in self.interactor_loaded[0]]
+
+        ray_direction = ray_end - ray_start
+        ray_direction /= np.linalg.norm(ray_direction)
+
+        print(f"Checking intersection with {len(self.interactor_loaded[1])} faces")
+        for face_idx, face in enumerate(self.interactor_loaded[1]):
+            v0, v1, v2 = [vertices_cam[i] for i in face]
+            intersection = self.moller_trumbore(ray_start, ray_direction, v0, v1, v2)
+            if intersection is not None:
+                print(f"Intersection found with face {face_idx}")
+                return face_idx
+
+        print("No intersection found")
+        return None
+
+    def moller_trumbore(self, ray_origin, ray_direction, v0, v1, v2):
+        epsilon = 1e-6
+        # Find vectors for two edges sharing v0
+        edge1 = v1 - v0
+        edge2 = v2 - v0
+        pvec = np.cross(ray_direction, edge2)
+
+        det = np.dot(edge1, pvec)
+        print(det)
+
+        """if det < epsilon:
+            return None"""
+
+        inv_det = 1.0 / det
+        tvec = ray_origin - v0
+        u = np.dot(tvec, pvec) * inv_det
+
+        print("u", u )
+
+        if u < 0.0 or u > 1.0:
+            return None
+
+        qvec = np.cross(tvec, edge1)
+
+        # Calculate v parameter and test bounds
+        v = np.dot(ray_direction, qvec) * inv_det
+        print("v", v)
+
+        if v < 0.0 or u + v > 1.0:
+            return None
+
+        # Calculate t, ray intersects triangle
+        t = np.dot(edge2, qvec) * inv_det
+        print("t",t)
+
+        if t > epsilon:
+            return ray_origin + t * ray_direction
+
+        return None
+
+    def ray_triangle_intersection(self, ray_origin, ray_direction, v0, v1, v2):
+        epsilon = 1e-5
+        edge1 = v1 - v0
+        edge2 = v2 - v0
+        h = np.cross(ray_direction, edge2)
+        a = np.dot(edge1, h)
+
+        print(f"Triangle vertices: {v0}, {v1}, {v2}")
+        print(f"a: {a}")
+
+        if abs(a) < epsilon:
+            print("Ray is parallel to the triangle")
+            return None  # Ray is parallel to the triangle
+
+        f = 1.0 / a
+        s = ray_origin - v0
+        u = f * np.dot(s, h)
+
+        print(f"u: {u}")
+
+        if u < 0.0 or u > 1.0:
+            print("u is out of range")
+            return None
+
+        q = np.cross(s, edge1)
+        v = f * np.dot(ray_direction, q)
+
+        print(f"v: {v}")
+
+        if v < 0.0 or u + v > 1.0:
+            print("v is out of range")
+            return None
+
+        t = f * np.dot(edge2, q)
+
+        print(f"t: {t}")
+
+        if t > epsilon:
+            intersection_point = ray_origin + t * ray_direction
+            print(f"Intersection point: {intersection_point}")
+            return intersection_point
+
+        print("t is too small")
+        return None
+    def paintGL(self):
+        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
+        glMatrixMode(GL_MODELVIEW)
+        glLoadIdentity()
+
+        # Apply camera transformation
+        glTranslatef(0, 0, self.zoom)
+        glRotatef(self.xRot, 1.0, 0.0, 0.0)
+        glRotatef(self.yRot, 0.0, 1.0, 0.0)
+
+        """# Apply model transformation
+        glTranslatef(self.tx, self.ty, self.tz)
+        glScalef(self.scale, self.scale, self.scale)
+        glRotatef(self.model_xRot, 1.0, 0.0, 0.0)
+        glRotatef(self.model_yRot, 0.0, 1.0, 0.0)
+        glRotatef(self.model_zRot, 0.0, 0.0, 1.0)"""
+
+        glColor3f(0.9, 0.8, 0.8)
+        self.draw_area()
+
+        if self.mesh_loaded is not None:
+            # Adjust the camera for the STL mesh
+            if self.centroid:
+                glPushMatrix()  # Save current transformation matrix
+                glScalef(self.scale_factor, self.scale_factor, self.scale_factor)  # Apply scaling
+
+                cx, cy, cz = self.centroid
+                gluLookAt(cx, cy, cz + 100, cx, cy, cz, 0, 1, 0)
+
+                self.draw_mesh_direct(self.mesh_loaded)
+                glPopMatrix()  # Restore transformation matrix
+
+        if self.interactor_loaded is not None:
+            # Draw interactor mesh
+            glPushMatrix()  # Save current transformation matrix
+            glScalef(self.scale_factor, self.scale_factor, self.scale_factor)  # Apply scaling
+
+            self.draw_interactor(self.interactor_loaded)
+            glPopMatrix()  # Restore transformation matrix
+
+        if self.selected_face is not None:
+            glColor3f(0.0, 1.0, 0.0)  # Red color for selected face
+            glBegin(GL_TRIANGLES)
+            for vertex_idx in self.interactor_loaded[1][self.selected_face]:
+                glVertex3fv(self.interactor_loaded[0][vertex_idx])
+            glEnd()
+
+            # Flush the OpenGL pipeline and swap buffers
+
+
+        if hasattr(self, 'ray_start') and hasattr(self, 'ray_end'):
+            self.draw_ray(self.ray_start, self.ray_end)
+
+        glFlush()
+
+    def draw_stl(self, vertices):
+        glEnable(GL_LIGHTING)
+        glEnable(GL_LIGHT0)
+        glEnable(GL_DEPTH_TEST)
+        glEnable(GL_COLOR_MATERIAL)
+        glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE)
+
+        glLightfv(GL_LIGHT0, GL_POSITION, (0, 1, 1, 0))
+        glLightfv(GL_LIGHT0, GL_DIFFUSE, (0.6, 0.6, 0.6, 1.0))
+
+        glBegin(GL_TRIANGLES)
+        for triangle in vertices:
+            for vertex in triangle:
+                glVertex3fv(vertex)
+        glEnd()
+        self.update()
+
+    def draw_interactor(self, simp_mesh: tuple):
+        vertices, faces = simp_mesh
+
+        glEnable(GL_LIGHTING)
+        glEnable(GL_LIGHT0)
+        glEnable(GL_DEPTH_TEST)
+        glEnable(GL_COLOR_MATERIAL)
+        glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE)
+
+        glLightfv(GL_LIGHT0, GL_POSITION, (0, 0.6, 0.6, 0))
+        glLightfv(GL_LIGHT0, GL_DIFFUSE, (0.4, 0.4, 0.4, 0.6))
+
+        # Draw the faces
+        glDisable(GL_LIGHTING)
+        glColor3f(0.2, 0.0, 0.0)  # Set face color to red (or any color you prefer)
+
+        glBegin(GL_TRIANGLES)
+        for face in faces:
+            for vertex_index in face:
+                glVertex3fv(vertices[vertex_index])
+        glEnd()
+
+        # Draw the lines (edges of the triangles)
+        glColor3f(0.0, 1.0, 0.0)  # Set line color to green (or any color you prefer)
+
+        glBegin(GL_LINES)
+        for face in faces:
+            for i in range(len(face)):
+                glVertex3fv(vertices[face[i]])
+                glVertex3fv(vertices[face[(i + 1) % len(face)]])
+        glEnd()
+
+        glEnable(GL_LIGHTING)  # Re-enable lighting if further drawing requires it
+
+    def draw_mesh_direct(self, points):
+        glEnable(GL_LIGHTING)
+        glEnable(GL_LIGHT0)
+        glEnable(GL_DEPTH_TEST)
+        glEnable(GL_COLOR_MATERIAL)
+        glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE)
+
+        glLightfv(GL_LIGHT0, GL_POSITION, (0, 0.6, 0.6, 0))
+        glLightfv(GL_LIGHT0, GL_DIFFUSE, (0.4, 0.4, 0.4, 0.6))
+
+        glDisable(GL_LIGHTING)
+        glBegin(GL_TRIANGLES)
+        for vertex in points:
+            glVertex3fv(vertex)
+        glEnd()
+
+        # Draw the lines (edges of the triangles)
+        #glDisable(GL_LIGHTING)  # Disable lighting to avoid affecting the line color
+        glColor3f(0.0, 0.0, 0.0)  # Set line color to black (or any color you prefer)
+
+        glBegin(GL_LINES)
+        for i in range(0, len(points), 3):
+            glVertex3fv(points[i])
+            glVertex3fv(points[i + 1])
+
+            glVertex3fv(points[i + 1])
+            glVertex3fv(points[i + 2])
+
+            glVertex3fv(points[i + 2])
+            glVertex3fv(points[i])
+        glEnd()
+
+        glEnable(GL_LIGHTING)  # Re-enable lighting if further drawing requires it
+
+    def draw_area(self):
+        glColor3f(0.5, 0.5, 0.5)  # Gray color
+
+        glBegin(GL_LINES)
+        for x in range(0, self.width(), 1):
+            x_ndc = self.map_value_to_range(x, 0, value_max=self.width(), range_min=-self.gl_width, range_max=self.gl_width)
+            glVertex2f(x_ndc, -self.gl_height)  # Start from y = -1
+            glVertex2f(x_ndc, self.gl_height)   # End at y = 1
+
+        for y in range(0, self.height(), 1):
+            y_ndc = self.map_value_to_range(y, 0, value_max=self.height(), range_min=-self.gl_height, range_max=self.gl_height)
+            glVertex2f(-self.gl_width, y_ndc)  # Start from x = -1
+            glVertex2f(self.gl_width, y_ndc)   # End at x = 1
+        glEnd()
+
+    def mouseMoveEvent(self, event):
+        dx = event.x() - self.lastPos.x()
+        dy = event.y() - self.lastPos.y()
+
+        if event.buttons() & Qt.MouseButton.LeftButton :
+            self.xRot += 0.5 * dy
+            self.yRot += 0.5 * dx
+            self.lastPos = event.pos()
+        self.update()
+
+    def wheelEvent(self, event):
+        delta = event.angleDelta().y()
+        self.zoom += delta / 200
+        self.update()
+
+    def aspect_ratio(self):
+        return self.width() / self.height() * (1.0 / abs(self.zoom))
+
+if __name__ == "__main__":
+    app = QApplication(sys.argv)
+    window = MainWindow()
+    window.show()
+    sys.exit(app.exec())
@@ -0,0 +1,201 @@
+"""
+Example integration of the improved sketcher with the main Fluency application
+This shows how to replace the existing sketcher with the improved version
+"""
+
+from PySide6.QtWidgets import QApplication, QMainWindow, QVBoxLayout, QHBoxLayout, QWidget, QPushButton, QButtonGroup
+from PySide6.QtCore import Qt
+
+from improved_sketcher import ImprovedSketchWidget, SketchMode, SnapMode
+
+
+class SketcherIntegrationDemo(QMainWindow):
+    """Demo showing how to integrate the improved sketcher with UI controls"""
+    
+    def __init__(self):
+        super().__init__()
+        self.setWindowTitle("Improved Sketcher Integration Demo")
+        self.resize(1200, 800)
+        
+        # Create central widget
+        central_widget = QWidget()
+        self.setCentralWidget(central_widget)
+        
+        # Create layout
+        main_layout = QHBoxLayout(central_widget)
+        
+        # Create toolbar
+        self.create_toolbar(main_layout)
+        
+        # Create sketcher widget
+        self.sketcher = ImprovedSketchWidget()
+        main_layout.addWidget(self.sketcher, stretch=1)
+        
+        # Connect sketcher signals
+        self.connect_sketcher_signals()
+        
+        # Set initial mode
+        self.sketcher.set_mode(SketchMode.LINE)
+        
+    def create_toolbar(self, parent_layout):
+        """Create toolbar with sketching tools"""
+        toolbar_widget = QWidget()
+        toolbar_widget.setFixedWidth(200)
+        toolbar_layout = QVBoxLayout(toolbar_widget)
+        
+        # Drawing tools group
+        drawing_group = QWidget()
+        drawing_layout = QVBoxLayout(drawing_group)
+        drawing_layout.addWidget(self.create_label("Drawing Tools"))
+        
+        # Create drawing mode buttons
+        self.drawing_buttons = QButtonGroup(self)
+        self.drawing_buttons.setExclusive(True)
+        
+        drawing_modes = [
+            ("Line", SketchMode.LINE),
+            ("Rectangle", SketchMode.RECTANGLE),
+            ("Circle", SketchMode.CIRCLE),
+            ("Point", SketchMode.POINT),
+        ]
+        
+        for name, mode in drawing_modes:
+            button = QPushButton(name)
+            button.setCheckable(True)
+            button.clicked.connect(lambda checked, m=mode: self.set_drawing_mode(m))
+            self.drawing_buttons.addButton(button)
+            drawing_layout.addWidget(button)
+        
+        # Set line as default
+        self.drawing_buttons.buttons()[0].setChecked(True)
+        
+        # Constraint tools group
+        constraint_group = QWidget()
+        constraint_layout = QVBoxLayout(constraint_group)
+        constraint_layout.addWidget(self.create_label("Constraints"))
+        
+        # Create constraint buttons
+        constraint_modes = [
+            ("Coincident", SketchMode.COINCIDENT_PT_PT),
+            ("Horizontal", SketchMode.HORIZONTAL),
+            ("Vertical", SketchMode.VERTICAL),
+            ("Distance", SketchMode.DISTANCE),
+        ]
+        
+        for name, mode in constraint_modes:
+            button = QPushButton(name)
+            button.clicked.connect(lambda checked, m=mode: self.set_constraint_mode(m))
+            constraint_layout.addWidget(button)
+        
+        # Settings group
+        settings_group = QWidget()
+        settings_layout = QVBoxLayout(settings_group)
+        settings_layout.addWidget(self.create_label("Settings"))
+        
+        # Construction mode toggle
+        self.construction_button = QPushButton("Construction Mode")
+        self.construction_button.setCheckable(True)
+        self.construction_button.toggled.connect(self.toggle_construction_mode)
+        settings_layout.addWidget(self.construction_button)
+        
+        # Snap settings
+        snap_buttons = [
+            ("Point Snap", SnapMode.POINT),
+            ("Grid Snap", SnapMode.GRID),
+            ("Midpoint Snap", SnapMode.MIDPOINT),
+        ]
+        
+        for name, snap_mode in snap_buttons:
+            button = QPushButton(name)
+            button.setCheckable(True)
+            button.toggled.connect(lambda checked, sm=snap_mode: self.toggle_snap_mode(sm, checked))
+            settings_layout.addWidget(button)
+        
+        # Set default snaps
+        settings_layout.itemAt(1).widget().setChecked(True)  # Point snap on by default
+        
+        # View controls
+        view_group = QWidget()
+        view_layout = QVBoxLayout(view_group)
+        view_layout.addWidget(self.create_label("View"))
+        
+        zoom_fit_button = QPushButton("Zoom to Fit")
+        zoom_fit_button.clicked.connect(self.sketcher.zoom_to_fit)
+        view_layout.addWidget(zoom_fit_button)
+        
+        # Add groups to toolbar
+        toolbar_layout.addWidget(drawing_group)
+        toolbar_layout.addWidget(constraint_group)
+        toolbar_layout.addWidget(settings_group)
+        toolbar_layout.addWidget(view_group)
+        toolbar_layout.addStretch()
+        
+        parent_layout.addWidget(toolbar_widget)
+    
+    def create_label(self, text):
+        """Create a section label"""
+        from PySide6.QtWidgets import QLabel
+        from PySide6.QtCore import Qt
+        
+        label = QLabel(text)
+        label.setAlignment(Qt.AlignCenter)
+        label.setStyleSheet("font-weight: bold; padding: 5px; background-color: #333; color: white;")
+        return label
+    
+    def set_drawing_mode(self, mode):
+        """Set the sketcher to drawing mode"""
+        self.sketcher.set_mode(mode)
+        print(f"Drawing mode set to: {mode.name}")
+    
+    def set_constraint_mode(self, mode):
+        """Set the sketcher to constraint mode"""
+        self.sketcher.set_mode(mode)
+        # Uncheck all drawing buttons when in constraint mode
+        for button in self.drawing_buttons.buttons():
+            button.setChecked(False)
+        print(f"Constraint mode set to: {mode.name}")
+    
+    def toggle_construction_mode(self, checked):
+        """Toggle construction geometry mode"""
+        self.sketcher.set_construction_mode(checked)
+        print(f"Construction mode: {'enabled' if checked else 'disabled'}")
+    
+    def toggle_snap_mode(self, snap_mode, enabled):
+        """Toggle snap mode"""
+        self.sketcher.toggle_snap_mode(snap_mode, enabled)
+        print(f"Snap mode {snap_mode.name}: {'enabled' if enabled else 'disabled'}")
+    
+    def connect_sketcher_signals(self):
+        """Connect to sketcher signals for feedback"""
+        self.sketcher.geometry_created.connect(self.on_geometry_created)
+        self.sketcher.constraint_applied.connect(self.on_constraint_applied)
+        self.sketcher.sketch_modified.connect(self.on_sketch_modified)
+    
+    def on_geometry_created(self, geometry_type):
+        """Handle geometry creation"""
+        print(f"Created: {geometry_type}")
+        # Update status or trigger other actions
+    
+    def on_constraint_applied(self):
+        """Handle constraint application"""
+        print("Constraint applied successfully")
+        # Return to line drawing mode after constraint
+        self.sketcher.set_mode(SketchMode.LINE)
+        self.drawing_buttons.buttons()[0].setChecked(True)
+    
+    def on_sketch_modified(self):
+        """Handle sketch modifications"""
+        print("Sketch modified")
+        # Could trigger auto-save or update displays
+
+
+def replace_sketcher_in_main_app():
+    """
+    Example of how to replace the existing sketcher in main.py
+    
+    In main.py, replace this code:
+    
+    ```python\n    from drawing_modules.draw_widget_solve import SketchWidget\n    self.sketchWidget = SketchWidget()\n    ```\n    \n    With:\n    \n    ```python\n    from drawing_modules.improved_sketcher import ImprovedSketchWidget, SketchMode\n    self.sketchWidget = ImprovedSketchWidget()\n    \n    # Connect to existing signals (adapt as needed)\n    self.sketchWidget.constraint_applied.connect(self.draw_op_complete)\n    self.sketchWidget.sketch_modified.connect(self.on_sketch_changed)\n    \n    # Connect toolbar buttons to new sketcher modes\n    self.ui.pb_linetool.clicked.connect(lambda: self.sketchWidget.set_mode(SketchMode.LINE))\n    self.ui.pb_rectool.clicked.connect(lambda: self.sketchWidget.set_mode(SketchMode.RECTANGLE))\n    # ... etc for other buttons\n    ```\n    \n    The improved sketcher provides these advantages:\n    \n    1. **Better Architecture**: Clean separation of concerns, proper error handling\n    2. **Enhanced Features**: Rectangle and circle tools, improved constraints\n    3. **Better Performance**: Optimized rendering and interaction handling\n    4. **Extensibility**: Easy to add new tools and constraints\n    5. **Type Safety**: Proper type hints and validation\n    6. **Logging**: Built-in logging for debugging\n    7. **Settings**: Configurable snap and render settings\n    \n    Key differences to adapt:\n    \n    - Use SketchMode enum instead of string modes\n    - Connect to new signal names (constraint_applied, geometry_created, sketch_modified)\n    - Use set_mode() instead of individual mode methods\n    - Access sketch data through self.sketch property\n    - Use new geometry classes (Point2D, Line2D, Circle2D)\n    """\n    pass
+
+
+if __name__ == "__main__":\n    import sys\n    \n    app = QApplication(sys.argv)\n    \n    # Create and show the integration demo\n    demo = SketcherIntegrationDemo()\n    demo.show()\n    \n    print("Improved Sketcher Integration Demo")\n    print("==================================")\n    print("Features:")\n    print("- Line, Rectangle, Circle, Point drawing")\n    print("- Coincident, Horizontal, Vertical, Distance constraints")\n    print("- Construction geometry mode")\n    print("- Point, Grid, Midpoint snapping")\n    print("- Zoom to fit")\n    print("- Mouse wheel zoom")\n    print("- Right-click to cancel operations")\n    print("")\n    print("Usage:")\n    print("- Select a drawing tool and click in the viewport")\n    print("- Right-click to finish multi-point operations")\n    print("- Use constraint tools to add relationships")\n    print("- Toggle construction mode for helper geometry")\n    \n    sys.exit(app.exec())
@@ -0,0 +1,35 @@
+from python_solvespace import SolverSystem, ResultFlag
+
+def solve_constraint():
+    solv = SolverSystem()
+    wp = solv.create_2d_base()  # Workplane (Entity)
+    p0 = solv.add_point_2d(0, 0, wp)  # Entity
+    p1 = solv.add_point_2d(10, 10, wp)  # Entity
+    p2 = solv.add_point_2d(0, 10, wp)  # Entity
+    solv.dragged(p0, wp)  # Make a constraint with the entity
+
+    line0 = solv.add_line_2d(p0, p1, wp)  # Create entity with others
+    line1 = solv.add_line_2d(p0, p2, wp)
+    #solv.angle(line0, line1, 45, wp)  # Constrain two entities
+    solv.coincident(p0, p1, wp)
+    solv.add_constraint(100006, wp, 0, p1,p2, line0, line1)
+
+    line1 = solv.entity(-1)  # Entity handle can be re-generated and negatively indexed
+    solv.
+    if solv.solve() == ResultFlag.OKAY:
+        # Get the result (unpack from the entity or parameters)
+        # x and y are actually float type
+        dof = solv.dof()
+        x, y = solv.params(p1.params)
+        print(dof)
+        print(x)
+        print(y)
+
+    else:
+        # Error!
+        # Get the list of all constraints
+        failures = solv.failures()
+        print(failures)
+        ...
+
+solve_constraint()
@@ -0,0 +1,861 @@
+import sys
+
+import numpy as np
+import vtk
+from PySide6 import QtCore, QtWidgets
+from PySide6.QtCore import Signal
+from vtkmodules.qt.QVTKRenderWindowInteractor import QVTKRenderWindowInteractor
+from vtkmodules.util.numpy_support import vtk_to_numpy, numpy_to_vtk
+
+
+class VTKWidget(QtWidgets.QWidget):
+    face_data = Signal(dict)
+
+    def __init__(self, parent=None):
+        super().__init__(parent)
+        self.selected_vtk_line = []
+        self.access_selected_points = []
+        self.selected_normal = None
+        self.centroid = None
+        self.selected_edges = []
+        self.cell_normals = None
+
+        self.local_matrix = None
+
+        self.project_tosketch_points = []
+        self.project_tosketch_lines = []
+
+        self.vtk_widget = QVTKRenderWindowInteractor(self)
+
+        self.picked_edge_actors = []
+        self.displayed_normal_actors = []
+        self.body_actors_orig = []
+        self.projected_mesh_actors = []
+        self.interactor_actors = []
+
+        self.flip_toggle = False
+
+        # Create layout and add VTK widget
+        layout = QtWidgets.QVBoxLayout()
+        layout.addWidget(self.vtk_widget)
+        self.setLayout(layout)
+
+        # Create VTK pipeline
+        self.renderer = vtk.vtkRenderer()
+        self.renderer_projections = vtk.vtkRenderer()
+        self.renderer_indicators = vtk.vtkRenderer()
+
+        self.renderer.SetViewport(0, 0, 1, 1)  # Full viewport
+        self.renderer_projections.SetViewport(0, 0, 1, 1)  # Full viewport, overlays the first
+        self.renderer_indicators.SetViewport(0, 0, 1, 1)  # Full viewport, overlays the first
+
+        self.renderer.SetLayer(0)
+        self.renderer_projections.SetLayer(1)
+        self.renderer_indicators.SetLayer(2)  # This will be on top
+
+        # Preserve color and depth buffers for non-zero layers
+        self.renderer_projections.SetPreserveColorBuffer(True)
+        self.renderer_projections.SetPreserveDepthBuffer(True)
+        self.renderer_indicators.SetPreserveColorBuffer(True)
+        self.renderer_indicators.SetPreserveDepthBuffer(True)
+
+        # Add renderers to the render window
+        render_window = self.vtk_widget.GetRenderWindow()
+        render_window.SetNumberOfLayers(3)
+        render_window.AddRenderer(self.renderer)
+        render_window.AddRenderer(self.renderer_projections)
+        render_window.AddRenderer(self.renderer_indicators)
+
+        self.camera = vtk.vtkCamera()
+        self.camera.SetPosition(5, 5, 1000)
+        self.camera.SetFocalPoint(0, 0, 0)
+        self.camera.SetClippingRange(1, 10000)  # Adjusted clipping range
+
+        self.renderer.SetActiveCamera(self.camera)
+        self.renderer_projections.SetActiveCamera(self.camera)
+        self.renderer_indicators.SetActiveCamera(self.camera)
+
+        self.interactor = self.vtk_widget.GetRenderWindow().GetInteractor()
+
+        # Light Setup
+        def add_light(renderer, position, color=(1, 1, 1), intensity=1.0):
+            light = vtk.vtkLight()
+            light.SetPosition(position)
+            light.SetColor(color)
+            light.SetIntensity(intensity)
+            renderer.AddLight(light)
+
+        # Add lights from multiple directions
+        add_light(self.renderer, (1000, 0, 0), intensity=1.5)
+        add_light(self.renderer, (-1000, 0, 0), intensity=1.5)
+        add_light(self.renderer, (0, 1000, 0), intensity=1.5)
+        add_light(self.renderer, (0, -1000, 0), intensity=1.5)
+        add_light(self.renderer, (0, 0, 1000), intensity=1.5)
+        add_light(self.renderer, (0, 0, -1000), intensity=1.5)
+
+        # Set up picking
+        self.picker = vtk.vtkCellPicker()
+        self.picker.SetTolerance(0.005)
+
+        # Create a mapper and actor for picked cells
+        self.picked_mapper = vtk.vtkDataSetMapper()
+        self.picked_actor = vtk.vtkActor()
+        self.picked_actor.SetMapper(self.picked_mapper)
+        self.picked_actor.GetProperty().SetColor(1.0, 0.0, 0.0)  # Red color for picked faces
+        self.picked_actor.VisibilityOff()  # Initially hide the actor
+        self.renderer.AddActor(self.picked_actor)
+
+        # Create an extract selection filter
+        self.extract_selection = vtk.vtkExtractSelection()
+
+        # Set up interactor style
+        self.style = vtk.vtkInteractorStyleTrackballCamera()
+        self.interactor.SetInteractorStyle(self.style)
+
+        # Add observer for mouse clicks
+        self.interactor.AddObserver("RightButtonPressEvent", self.on_click)
+
+        # Add axis gizmo (smaller size)
+        self.axes = vtk.vtkAxesActor()
+        self.axes.SetTotalLength(0.5, 0.5, 0.5)  # Reduced size
+        self.axes.SetShaftType(0)
+        self.axes.SetAxisLabels(1)
+
+        # Create an orientation marker
+        self.axes_widget = vtk.vtkOrientationMarkerWidget()
+        self.axes_widget.SetOrientationMarker(self.axes)
+        self.axes_widget.SetInteractor(self.interactor)
+        self.axes_widget.SetViewport(0.0, 0.0, 0.2, 0.2)  # Set position and size
+        self.axes_widget.EnabledOn()
+        self.axes_widget.InteractiveOff()
+
+        # Start the interactor
+        self.interactor.Initialize()
+        self.interactor.Start()
+
+        # Create the grid
+        grid = self.create_grid(size=100, spacing=10)
+
+        # Setup actor and mapper
+        mapper = vtk.vtkPolyDataMapper()
+        mapper.SetInputData(grid)
+
+        actor = vtk.vtkActor()
+        actor.SetPickable(False)
+        actor.SetMapper(mapper)
+        actor.GetProperty().SetColor(0.5, 0.5, 0.5)  # Set grid color to gray
+
+        self.renderer.AddActor(actor)
+
+    def reset_camera(self):
+        self.renderer.ResetCamera()
+        self.camera.SetClippingRange(1, 100000)  # Set your desired range
+        self.vtk_widget.GetRenderWindow().Render()
+
+    def update_render(self):
+        self.renderer.ResetCameraClippingRange()
+        self.renderer_projections.ResetCameraClippingRange()
+        self.renderer_indicators.ResetCameraClippingRange()
+        self.camera.SetClippingRange(1, 100000)
+        self.vtk_widget.GetRenderWindow().Render()
+
+    def create_grid(self, size=100, spacing=10):
+        # Create a vtkPoints object and store the points in it
+        points = vtk.vtkPoints()
+
+        # Create lines
+        lines = vtk.vtkCellArray()
+
+        # Create the grid
+        for i in range(-size, size + 1, spacing):
+            # X-direction line
+            points.InsertNextPoint(i, -size, 0)
+            points.InsertNextPoint(i, size, 0)
+            line = vtk.vtkLine()
+            line.GetPointIds().SetId(0, points.GetNumberOfPoints() - 2)
+            line.GetPointIds().SetId(1, points.GetNumberOfPoints() - 1)
+            lines.InsertNextCell(line)
+
+            # Y-direction line
+            points.InsertNextPoint(-size, i, 0)
+            points.InsertNextPoint(size, i, 0)
+            line = vtk.vtkLine()
+            line.GetPointIds().SetId(0, points.GetNumberOfPoints() - 2)
+            line.GetPointIds().SetId(1, points.GetNumberOfPoints() - 1)
+            lines.InsertNextCell(line)
+
+        # Create a polydata to store everything in
+        grid = vtk.vtkPolyData()
+
+        # Add the points to the dataset
+        grid.SetPoints(points)
+
+        # Add the lines to the dataset
+        grid.SetLines(lines)
+
+        return grid
+
+    def on_receive_command(self, command):
+        """Calls the individual commands pressed in main"""
+        print("Receive command: ", command)
+        if command == "flip":
+            self.clear_actors_projection()
+            self.flip_toggle = not self.flip_toggle  # Toggle the flag
+            self.on_invert_normal()
+
+    @staticmethod
+    def compute_normal_from_lines(line1, line2):
+        vec1 = line1[1] - line1[0]
+        vec2 = line2[1] - line2[0]
+        normal = np.cross(vec1, vec2)
+        print(normal)
+        normal = normal / np.linalg.norm(normal)
+        return normal
+
+    def load_interactor_mesh(self, edges, off_vector):
+        # Create vtkPoints to store all points
+        points = vtk.vtkPoints()
+
+        # Create vtkCellArray to store the lines
+        lines = vtk.vtkCellArray()
+
+        for edge in edges:
+            # Add points for this edge
+            point_id1 = points.InsertNextPoint(edge[0])
+            point_id2 = points.InsertNextPoint(edge[1])
+
+            # Create a line using the point IDs
+            line = vtk.vtkLine()
+            line.GetPointIds().SetId(0, point_id1)
+            line.GetPointIds().SetId(1, point_id2)
+
+            # Add the line to the cell array
+            lines.InsertNextCell(line)
+
+        # Create vtkPolyData to store the geometry
+        polydata = vtk.vtkPolyData()
+        polydata.SetPoints(points)
+        polydata.SetLines(lines)
+
+        # Create a transform for mirroring across the y-axis
+        matrix_transform = vtk.vtkTransform()
+
+        if self.local_matrix:
+            print(self.local_matrix)
+            matrix = vtk.vtkMatrix4x4()
+            matrix.DeepCopy(self.local_matrix)
+            matrix.Invert()
+            matrix_transform.SetMatrix(matrix)
+            #matrix_transform.Scale(1, 1, 1)  # This mirrors across the y-axis
+
+        # Apply the matrix transform
+        transformFilter = vtk.vtkTransformPolyDataFilter()
+        transformFilter.SetInputData(polydata)
+        transformFilter.SetTransform(matrix_transform)
+        transformFilter.Update()
+
+        # Create and apply the offset transform
+        offset_transform = vtk.vtkTransform()
+        offset_transform.Translate(off_vector[0], off_vector[1], off_vector[2])
+
+        offsetFilter = vtk.vtkTransformPolyDataFilter()
+        offsetFilter.SetInputConnection(transformFilter.GetOutputPort())
+        offsetFilter.SetTransform(offset_transform)
+        offsetFilter.Update()
+
+        # Create a mapper and actor
+        mapper = vtk.vtkPolyDataMapper()
+        mapper.SetInputConnection(offsetFilter.GetOutputPort())
+
+        actor = vtk.vtkActor()
+        actor.SetMapper(mapper)
+        actor.GetProperty().SetColor(1.0, 1.0, 1.0)
+        actor.GetProperty().SetLineWidth(4)  # Set line width
+
+        # Add the actor to the scene
+        self.renderer.AddActor(actor)
+        self.interactor_actors.append(actor)
+
+        mapper.Update()
+        self.vtk_widget.GetRenderWindow().Render()
+
+    def render_from_points_direct_with_faces(self, vertices, faces, color=(0.1, 0.2, 0.8), line_width=2, point_size=5):
+        """Sketch Widget has inverted Y axiis therefore we invert y via scale here until fix"""
+
+        # Handle empty vertices or faces
+        if len(vertices) == 0 or len(faces) == 0:
+            print("Warning: No vertices or faces to render")
+            return
+
+        points = vtk.vtkPoints()
+
+        # Validate vertices shape
+        if vertices.ndim != 2 or vertices.shape[1] != 3:
+            print(f"Warning: Invalid vertex shape {vertices.shape}. Expected Nx3.")
+            return
+
+        # Validate faces shape
+        if faces.ndim != 2 or faces.shape[1] != 3:
+            print(f"Warning: Invalid face shape {faces.shape}. Expected Nx3.")
+            return
+
+        # Use SetData with numpy array - ensure vertices are float32
+        try:
+            vertices_float = np.asarray(vertices, dtype=np.float32)
+            vtk_array = numpy_to_vtk(vertices_float, deep=True)
+            points.SetData(vtk_array)
+        except Exception as e:
+            print(f"Error converting vertices to VTK array: {e}")
+            # Fallback: manually insert points
+            for vertex in vertices:
+                points.InsertNextPoint(vertex[0], vertex[1], vertex[2])
+
+        # Create a vtkCellArray to store the triangles
+        triangles = vtk.vtkCellArray()
+        num_vertices = len(vertices)
+        
+        for i, face in enumerate(faces):
+            # Validate face indices
+            if (face[0] >= num_vertices or face[0] < 0 or 
+                face[1] >= num_vertices or face[1] < 0 or 
+                face[2] >= num_vertices or face[2] < 0):
+                print(f"Warning: Invalid face indices {face} at index {i}. Skipping face.")
+                continue
+                
+            triangle = vtk.vtkTriangle()
+            triangle.GetPointIds().SetId(0, int(face[0]))
+            triangle.GetPointIds().SetId(1, int(face[1]))
+            triangle.GetPointIds().SetId(2, int(face[2]))
+            triangles.InsertNextCell(triangle)
+
+        # Check if we have any valid triangles
+        if triangles.GetNumberOfCells() == 0:
+            print("Warning: No valid triangles to render")
+            return
+
+        # Create a polydata object
+        polydata = vtk.vtkPolyData()
+        polydata.SetPoints(points)
+        polydata.SetPolys(triangles)
+
+        # Calculate normals
+        normalGenerator = vtk.vtkPolyDataNormals()
+        normalGenerator.SetInputData(polydata)
+        normalGenerator.ComputePointNormalsOn()
+        normalGenerator.ComputeCellNormalsOn()
+        normalGenerator.Update()
+
+        # Safely get cell normals, with fallback if they're not available
+        cell_normals = normalGenerator.GetOutput().GetCellData().GetNormals()
+        if cell_normals:
+            try:
+                self.cell_normals = vtk_to_numpy(cell_normals)
+            except Exception as e:
+                print(f"Warning: Could not convert cell normals to numpy array: {e}")
+                self.cell_normals = None
+        else:
+            print("Warning: No cell normals available")
+            self.cell_normals = None
+
+        # Create a mapper and actor
+        mapper = vtk.vtkPolyDataMapper()
+        mapper.SetInputData(polydata)
+
+        actor = vtk.vtkActor()
+        actor.SetMapper(mapper)
+        actor.GetProperty().SetColor(color)
+        actor.GetProperty().EdgeVisibilityOff()
+        actor.GetProperty().SetLineWidth(line_width)
+        actor.GetProperty().SetMetallic(1)
+        actor.GetProperty().SetOpacity(0.8)
+        actor.SetPickable(False)
+
+        self.renderer.AddActor(actor)
+        self.body_actors_orig.append(actor)
+        self.vtk_widget.GetRenderWindow().Render()
+
+    def clear_body_actors(self):
+        for actor in self.body_actors_orig:
+            self.renderer.RemoveActor(actor)
+
+    def visualize_matrix(self, matrix):
+        points = vtk.vtkPoints()
+        for i in range(4):
+            for j in range(4):
+                points.InsertNextPoint(matrix.GetElement(0, j),
+                                       matrix.GetElement(1, j),
+                                       matrix.GetElement(2, j))
+
+        polydata = vtk.vtkPolyData()
+        polydata.SetPoints(points)
+
+        mapper = vtk.vtkPolyDataMapper()
+        mapper.SetInputData(polydata)
+
+        actor = vtk.vtkActor()
+        actor.SetMapper(mapper)
+        actor.GetProperty().SetPointSize(5)
+
+        self.renderer.AddActor(actor)
+
+    def numpy_to_vtk(self, array, deep=True):
+        """Convert a numpy array to a vtk array."""
+        vtk_array = vtk.vtkDoubleArray()
+        vtk_array.SetNumberOfComponents(array.shape[1])
+        vtk_array.SetNumberOfTuples(array.shape[0])
+
+        for i in range(array.shape[0]):
+            for j in range(array.shape[1]):
+                vtk_array.SetComponent(i, j, array[i, j])
+
+        return vtk_array
+
+    def get_points_and_edges_from_polydata(self, polydata) -> list:
+        # Extract points
+        points = {}
+        vtk_points = polydata.GetPoints()
+        for i in range(vtk_points.GetNumberOfPoints()):
+            point = vtk_points.GetPoint(i)
+            points[i] = np.array(point)
+
+        # Extract edges
+        edges = []
+        for i in range(polydata.GetNumberOfCells()):
+            cell = polydata.GetCell(i)
+            if cell.GetCellType() == vtk.VTK_LINE:
+                point_ids = cell.GetPointIds()
+                edge = (point_ids.GetId(0), point_ids.GetId(1))
+                edges.append(edge)
+
+        return points, edges
+
+    def project_mesh_to_plane(self, input_mesh, normal, origin):
+        # Create the projector
+        projector = vtk.vtkProjectPointsToPlane()
+        projector.SetInputData(input_mesh)
+        projector.SetProjectionTypeToSpecifiedPlane()
+
+        # Set the normal and origin of the plane
+        projector.SetNormal(normal)
+        projector.SetOrigin(origin)
+
+        # Execute the projection
+        projector.Update()
+
+        # Get the projected mesh
+        projected_mesh = projector.GetOutput()
+        return projected_mesh
+
+    def compute_2d_coordinates(self, projected_mesh, normal):
+        # Normalize the normal vector
+        normal = np.array(normal)
+        normal = normal / np.linalg.norm(normal)
+
+        # Create a vtkTransform
+        transform = vtk.vtkTransform()
+        transform.PostMultiply()  # This ensures transforms are applied in the order we specify
+
+        # Rotate so that the normal aligns with the Z-axis
+        rotation_axis = np.cross(normal, [0, 0, 1])
+        angle = np.arccos(np.dot(normal, [0, 0, 1])) * 180 / np.pi  # Convert to degrees
+
+        if np.linalg.norm(rotation_axis) > 1e-6:  # Check if rotation is needed
+            transform.RotateWXYZ(angle, rotation_axis[0], rotation_axis[1], rotation_axis[2])
+
+        # Get the transformation matrix
+        matrix = transform.GetMatrix()
+        self.local_matrix = [matrix.GetElement(i, j) for i in range(4) for j in range(4)]
+
+        # Apply the transform to the polydata
+        transformFilter = vtk.vtkTransformPolyDataFilter()
+        transformFilter.SetInputData(projected_mesh)
+        transformFilter.SetTransform(transform)
+        transformFilter.Update()
+
+        # Get the transformed points
+        transformed_polydata = transformFilter.GetOutput()
+        points = transformed_polydata.GetPoints()
+
+        # Extract 2D coordinates
+        xy_coordinates = []
+        for i in range(points.GetNumberOfPoints()):
+            point = points.GetPoint(i)
+            xy_coordinates.append((point[0], point[1]))
+
+        return xy_coordinates
+
+    def compute_2d_coordinates_line(self, projected_mesh, normal):
+        # Normalize the normal vector
+        normal = np.array(normal)
+        normal = normal / np.linalg.norm(normal)
+
+        # Create a vtkTransform
+        transform = vtk.vtkTransform()
+        transform.PostMultiply()  # This ensures transforms are applied in the order we specify
+
+        # Rotate so that the normal aligns with the Z-axis
+        rotation_axis = np.cross(normal, [0, 0, 1])
+        angle = np.arccos(np.dot(normal, [0, 0, 1])) * 180 / np.pi  # Convert to degrees
+
+        if np.linalg.norm(rotation_axis) > 1e-6:  # Check if rotation is needed
+            transform.RotateWXYZ(angle, rotation_axis[0], rotation_axis[1], rotation_axis[2])
+
+        # Get the transformation matrix
+        matrix = transform.GetMatrix()
+        self.local_matrix = [matrix.GetElement(i, j) for i in range(4) for j in range(4)]
+
+        # Apply the transform to the polydata
+        transformFilter = vtk.vtkTransformPolyDataFilter()
+        transformFilter.SetInputData(projected_mesh)
+        transformFilter.SetTransform(transform)
+        transformFilter.Update()
+
+        # Get the transformed points
+        transformed_polydata = transformFilter.GetOutput()
+        points = transformed_polydata.GetPoints()
+        lines = transformed_polydata.GetLines()
+
+        # Extract 2D coordinates
+        xy_coordinates = []
+
+        if points and lines:
+            points_data = points.GetData()
+            line_ids = vtk.vtkIdList()
+
+            # Loop through all the lines in the vtkCellArray
+            lines.InitTraversal()
+            while lines.GetNextCell(line_ids):
+                line_coordinates = []
+                for j in range(line_ids.GetNumberOfIds()):
+                    point_id = line_ids.GetId(j)
+                    point = points.GetPoint(point_id)
+                    line_coordinates.append((point[0], point[1]))  # Only take x, y
+                xy_coordinates.append(line_coordinates)
+
+        return xy_coordinates
+
+
+    def compute_2d_coordinates_line_bak(self, line_source, normal):
+        # Ensure the input is a vtkLineSource
+        print("line", line_source)
+        if not isinstance(line_source, vtk.vtkLineSource):
+            raise ValueError("Input must be a vtkLineSource")
+
+        # Normalize the normal vector
+        normal = np.array(normal)
+        normal = normal / np.linalg.norm(normal)
+
+        # Create a vtkTransform
+        transform = vtk.vtkTransform()
+        transform.PostMultiply()  # This ensures transforms are applied in the order we specify
+
+        # Rotate so that the normal aligns with the Z-axis
+        rotation_axis = np.cross(normal, [0, 0, 1])
+        angle = np.arccos(np.dot(normal, [0, 0, 1])) * 180 / np.pi  # Convert to degrees
+
+        if np.linalg.norm(rotation_axis) > 1e-6:  # Check if rotation is needed
+            transform.RotateWXYZ(angle, rotation_axis[0], rotation_axis[1], rotation_axis[2])
+
+        # Get the transformation matrix
+        matrix = transform.GetMatrix()
+        local_matrix = [matrix.GetElement(i, j) for i in range(4) for j in range(4)]
+
+        # Get the polydata from the line source
+        line_source.Update()
+        polydata = line_source.GetOutput()
+
+        # Apply the transform to the polydata
+        transform_filter = vtk.vtkTransformPolyDataFilter()
+        transform_filter.SetInputData(polydata)
+        transform_filter.SetTransform(transform)
+        transform_filter.Update()
+
+        # Get the transformed points
+        transformed_polydata = transform_filter.GetOutput()
+        transformed_points = transformed_polydata.GetPoints()
+
+        # Extract 2D coordinates
+        xy_coordinates = []
+        for i in range(transformed_points.GetNumberOfPoints()):
+            point = transformed_points.GetPoint(i)
+            xy_coordinates.append((point[0], point[1]))
+
+        return xy_coordinates
+
+    def project_2d_to_3d(self, xy_coordinates, normal):
+        # Normalize the normal vector
+        normal = np.array(normal)
+        normal = normal / np.linalg.norm(normal)
+
+        # Create a vtkTransform for the reverse transformation
+        reverse_transform = vtk.vtkTransform()
+        reverse_transform.PostMultiply()  # This ensures transforms are applied in the order we specify
+
+        # Compute the rotation axis and angle (same as in compute_2d_coordinates)
+        rotation_axis = np.cross(normal, [0, 0, 1])
+        angle = np.arccos(np.dot(normal, [0, 0, 1])) * 180 / np.pi  # Convert to degrees
+
+        if np.linalg.norm(rotation_axis) > 1e-6:  # Check if rotation is needed
+            # Apply the inverse rotation
+            reverse_transform.RotateWXYZ(-angle, rotation_axis[0], rotation_axis[1], rotation_axis[2])
+
+        # Create vtkPoints to store the 2D points
+        points_2d = vtk.vtkPoints()
+        for x, y in xy_coordinates:
+            points_2d.InsertNextPoint(x, y, 0)  # Z-coordinate is 0 for 2D points
+
+        # Create a polydata with the 2D points
+        polydata_2d = vtk.vtkPolyData()
+        polydata_2d.SetPoints(points_2d)
+
+        # Apply the reverse transform to the polydata
+        transform_filter = vtk.vtkTransformPolyDataFilter()
+        transform_filter.SetInputData(polydata_2d)
+        transform_filter.SetTransform(reverse_transform)
+        transform_filter.Update()
+
+        # Get the transformed points (now in 3D)
+        transformed_polydata = transform_filter.GetOutput()
+        transformed_points = transformed_polydata.GetPoints()
+
+        # Extract 3D coordinates
+        xyz_coordinates = []
+        for i in range(transformed_points.GetNumberOfPoints()):
+            point = transformed_points.GetPoint(i)
+            xyz_coordinates.append((point[0], point[1], point[2]))
+
+        return xyz_coordinates
+
+    def add_normal_line(self, origin, normal, length=10.0, color=(1, 0, 0)):
+        # Normalize the normal vector
+        normal = np.array(normal)
+        normal = normal / np.linalg.norm(normal)
+
+        # Calculate the end point
+        end_point = origin + normal * length
+
+        # Create vtkPoints
+        points = vtk.vtkPoints()
+        points.InsertNextPoint(origin)
+        points.InsertNextPoint(end_point)
+
+        # Create a line
+        line = vtk.vtkLine()
+        line.GetPointIds().SetId(0, 0)
+        line.GetPointIds().SetId(1, 1)
+
+        # Create a cell array to store the line
+        lines = vtk.vtkCellArray()
+        lines.InsertNextCell(line)
+
+        # Create a polydata to store everything in
+        polyData = vtk.vtkPolyData()
+        polyData.SetPoints(points)
+        polyData.SetLines(lines)
+
+        # Create mapper and actor
+        mapper = vtk.vtkPolyDataMapper()
+        mapper.SetInputData(polyData)
+
+        actor = vtk.vtkActor()
+        actor.SetMapper(mapper)
+        actor.GetProperty().SetColor(color)
+        actor.GetProperty().SetLineWidth(2)  # Adjust line width as needed
+
+        # Add to renderer
+        self.renderer.AddActor(actor)
+        self.vtk_widget.GetRenderWindow().Render()
+
+        return actor  # Return the actor in case you need to remove or modify it later
+
+    def on_invert_normal(self):
+        # Kippstufe für Normal flip
+        if self.selected_normal is not None:
+            self.clear_actors_normals()
+            self.compute_projection(self.flip_toggle)
+
+    def on_click(self, obj, event):
+        click_pos = self.interactor.GetEventPosition()
+
+        # Perform pick
+        self.picker.Pick(click_pos[0], click_pos[1], 0, self.renderer)
+
+        # Get picked cell ID
+        cell_id = self.picker.GetCellId()
+
+        if cell_id != -1:
+            print(f"Picked cell ID: {cell_id}")
+
+            # Get the polydata and the picked cell
+            polydata = self.picker.GetActor().GetMapper().GetInput()
+            cell = polydata.GetCell(cell_id)
+
+            # Ensure it's a line
+            if cell.GetCellType() == vtk.VTK_LINE:
+
+                # Get the two points of the line
+                point_id1 = cell.GetPointId(0)
+                point_id2 = cell.GetPointId(1)
+
+                proj_point1 = polydata.GetPoint(point_id1)
+                proj_point2 = polydata.GetPoint(point_id2)
+
+                self.access_selected_points.append((proj_point1, proj_point2))
+
+                point1 = np.array(proj_point1)
+                point2 = np.array(proj_point2)
+
+                #print(f"Line starts at: {point1}")
+                #print(f"Line ends at: {point2}")
+
+                # Store this line for later use if needed
+                self.selected_edges.append((point1, point2))
+
+                # Create a new vtkLineSource for the picked edge
+                line_source = vtk.vtkLineSource()
+                line_source.SetPoint1(point1)
+                line_source.SetPoint2(point2)
+
+                self.selected_vtk_line.append(line_source)
+
+                # Create a mapper and actor for the picked edge
+                edge_mapper = vtk.vtkPolyDataMapper()
+                edge_mapper.SetInputConnection(line_source.GetOutputPort())
+
+                edge_actor = vtk.vtkActor()
+                edge_actor.SetMapper(edge_mapper)
+                edge_actor.GetProperty().SetColor(1.0, 0.0, 0.0)  # Red color for picked edges
+                edge_actor.GetProperty().SetLineWidth(5)  # Make the line thicker
+
+                # Add the actor to the renderer and store it
+                self.renderer_indicators.AddActor(edge_actor)
+                self.picked_edge_actors.append(edge_actor)
+
+                if len(self.selected_edges) == 2:
+                    self.compute_projection(False)
+
+                if len(self.selected_edges) > 2:
+                    # Clear lists for selection
+                    self.selected_vtk_line.clear()
+                    self.selected_edges.clear()
+                    self.clear_edge_select()
+
+                    # Clear Actors from view
+                    self.clear_actors_projection()
+                    self.clear_actors_sel_edges()
+                    self.clear_actors_normals()
+
+
+    def find_origin_vertex(self, edge1, edge2):
+        if edge1[0] == edge2[0]or edge1[0] == edge2[1]:
+            return edge1[0]
+        elif edge1[1] == edge2[0] or edge1[1] == edge2[1]:
+            return edge1[1]
+        else:
+            return None  # The edges don't share a vertex
+
+    def clear_edge_select(self ):
+        # Clear selection after projection was succesful
+        self.selected_edges = []
+        self.selected_normal = []
+
+    def clear_actors_projection(self):
+        """Removes all actors that were used for projection"""
+        for flat_mesh in self.projected_mesh_actors:
+            self.renderer_projections.RemoveActor(flat_mesh)
+
+    def clear_actors_normals(self):
+        for normals in self.displayed_normal_actors:
+            self.renderer_indicators.RemoveActor(normals)
+
+    def clear_actors_sel_edges(self):
+        for edge_line in self.picked_edge_actors:
+            self.renderer_indicators.RemoveActor(edge_line)
+
+    def clear_actors_interactor(self):
+        ### Clear the outline of the mesh
+        for interactor in self.interactor_actors:
+            self.renderer.RemoveActor(interactor)
+
+    def compute_projection(self, direction_invert: bool = False):
+
+        # Compute the normal from the two selected edges        )
+        edge1 = self.selected_edges[0][1] - self.selected_edges[0][0]
+        edge2 = self.selected_edges[1][1] - self.selected_edges[1][0]
+        selected_normal = np.cross(edge1, edge2)
+        selected_normal = selected_normal / np.linalg.norm(selected_normal)
+        #print("Computed normal:", self.selected_normal)
+
+        # Invert the normal in local z if direction_invert is True
+        if direction_invert:
+            self.selected_normal = -selected_normal
+        else:
+            self.selected_normal = selected_normal
+
+        self.centroid = np.mean([point for edge in self.selected_edges for point in edge], axis=0)
+        #self.centroid = self.find_origin_vertex(edge1, edge2)
+
+        # Draw the normal line
+        normal_length = 50  # Adjust this value to change the length of the normal line
+        normal_actor = self.add_normal_line(self.centroid, self.selected_normal, length=normal_length,
+                                            color=(1, 0, 0))
+
+        polydata = self.picker.GetActor().GetMapper().GetInput()
+
+        projected_polydata = self.project_mesh_to_plane(polydata, self.selected_normal, self.centroid)
+
+        # Extract 2D coordinates
+        self.project_tosketch_points = self.compute_2d_coordinates(projected_polydata, self.selected_normal)
+
+        # Green indicator mesh needs to be translated to xy point paris start end.
+        self.project_tosketch_lines = self.compute_2d_coordinates_line(projected_polydata, self.selected_normal)
+
+        print("result", self.project_tosketch_lines)
+        """# Seperately rotate selected edges for drawing
+        self.project_tosketch_lines.clear()
+        for vtk_line in self.selected_vtk_line:
+            proj_vtk_line = self.compute_2d_coordinates_line(vtk_line, self.selected_normal)
+            self.project_tosketch_lines.append(proj_vtk_line)
+            print("outgoing lines", self.project_tosketch_lines)"""
+
+        # Create a mapper and actor for the projected data
+        mapper = vtk.vtkPolyDataMapper()
+        mapper.SetInputData(projected_polydata)
+
+        # Projected mesh in green
+        actor = vtk.vtkActor()
+        actor.SetMapper(mapper)
+        #actor.GetProperty().SetRenderLinesAsTubes(True)
+        actor.GetProperty().SetColor(0.0, 1.0, 0.0)  # Set color to green
+        actor.GetProperty().SetLineWidth(4)  # Set line width
+
+        self.renderer_indicators.AddActor(normal_actor)
+        self.displayed_normal_actors.append(normal_actor)
+
+        self.renderer_projections.AddActor(actor)
+        self.projected_mesh_actors.append(actor)
+
+        # Render the scene
+        self.update_render()
+        self.vtk_widget.GetRenderWindow().Render()
+
+    def start(self):
+        self.interactor.Initialize()
+        self.interactor.Start()
+
+
+class MainWindow(QtWidgets.QMainWindow):
+    def __init__(self, parent=None):
+        super().__init__(parent)
+        self.vtk_widget = VTKWidget()
+        self.setCentralWidget(self.vtk_widget)
+        self.setWindowTitle("VTK Mesh Viewer")
+        self.vtk_widget.create_cube_mesh()
+        self.show()
+        self.vtk_widget.start()
+
+
+if __name__ == "__main__":
+    app = QtWidgets.QApplication(sys.argv)
+    window = MainWindow()
+    sys.exit(app.exec())
@@ -0,0 +1,337 @@
+def are_coplanar(self, normal1, normal2, point1, point2, tolerance=1e-6):
+    # Check if normals are parallel
+    if np.abs(np.dot(normal1, normal2)) < 1 - tolerance:
+        return False
+
+    # Check if points lie on the same plane
+    diff = point2 - point1
+    return np.abs(np.dot(diff, normal1)) < tolerance
+
+
+def merge_coplanar_triangles(self, polydata):
+    # Compute normals
+    normalGenerator = vtk.vtkPolyDataNormals()
+    normalGenerator.SetInputData(polydata)
+    normalGenerator.ComputePointNormalsOff()
+    normalGenerator.ComputeCellNormalsOn()
+    normalGenerator.Update()
+
+    mesh = normalGenerator.GetOutput()
+    n_cells = mesh.GetNumberOfCells()
+
+    # Create a map to store merged triangles
+    merged = {}
+
+    for i in range(n_cells):
+        if i in merged:
+            continue
+
+        cell = mesh.GetCell(i)
+        normal = np.array(mesh.GetCellData().GetNormals().GetTuple(i))
+        point = np.array(cell.GetPoints().GetPoint(0))
+
+        merged[i] = [i]
+
+        for j in range(i + 1, n_cells):
+            if j in merged:
+                continue
+
+            cell_j = mesh.GetCell(j)
+            normal_j = np.array(mesh.GetCellData().GetNormals().GetTuple(j))
+            point_j = np.array(cell_j.GetPoints().GetPoint(0))
+
+            if self.are_coplanar(normal, normal_j, point, point_j):
+                merged[i].append(j)
+
+    # Create new polygons
+    new_polygons = vtk.vtkCellArray()
+    for group in merged.values():
+        if len(group) > 1:
+            polygon = vtk.vtkPolygon()
+            points = set()
+            for idx in group:
+                cell = mesh.GetCell(idx)
+                for j in range(3):
+                    point_id = cell.GetPointId(j)
+                    points.add(point_id)
+            polygon.GetPointIds().SetNumberOfIds(len(points))
+            for j, point_id in enumerate(points):
+                polygon.GetPointIds().SetId(j, point_id)
+            new_polygons.InsertNextCell(polygon)
+        else:
+            new_polygons.InsertNextCell(mesh.GetCell(group[0]))
+
+    # Create new polydata
+    new_polydata = vtk.vtkPolyData()
+    new_polydata.SetPoints(mesh.GetPoints())
+    new_polydata.SetPolys(new_polygons)
+
+    return new_polydata
+
+
+def create_cube_mesh(self):
+    # cube_source = vtk.vtkSuperquadricSource()
+
+    reader = vtk.vtkSTLReader()
+    reader.SetFileName("case.stl")  # Replace with your mesh file path
+    reader.Update()
+
+    featureEdges = vtk.vtkFeatureEdges()
+    featureEdges.SetInputConnection(reader.GetOutputPort())
+    featureEdges.BoundaryEdgesOn()
+    featureEdges.FeatureEdgesOn()
+    featureEdges.ManifoldEdgesOff()
+    featureEdges.NonManifoldEdgesOff()
+    featureEdges.Update()
+
+    # print(cube_source)
+    mapper = vtk.vtkPolyDataMapper()
+    mapper.SetInputConnection(reader.GetOutputPort())
+    actor = vtk.vtkActor()
+    actor.SetMapper(mapper)
+    self.renderer.AddActor(actor)
+
+    mapper_edge = vtk.vtkPolyDataMapper()
+    mapper_edge.SetInputConnection(featureEdges.GetOutputPort())
+    actor = vtk.vtkActor()
+    actor.SetMapper(mapper_edge)
+    self.renderer.AddActor(actor)
+
+
+def simplify_mesh(self, input_mesh, target_reduction):
+    # Create the quadric decimation filter
+    decimate = vtk.vtkDecimatePro()
+    decimate.SetInputData(input_mesh)
+
+    # Set the reduction factor (0 to 1, where 1 means maximum reduction)
+    decimate.SetTargetReduction(target_reduction)
+
+    # Optional: Preserve topology (if needed)
+    decimate.PreserveTopologyOn()
+
+    # Perform the decimation
+    decimate.Update()
+
+    return decimate.GetOutput()
+
+
+def combine_coplanar_faces(self, input_polydata, tolerance=0.001):
+    # Clean the polydata to merge duplicate points
+    clean = vtk.vtkCleanPolyData()
+    clean.SetInputData(input_polydata)
+    clean.SetTolerance(tolerance)
+    clean.Update()
+
+    # Generate normals and merge coplanar polygons
+    normals = vtk.vtkPolyDataNormals()
+    normals.SetInputConnection(clean.GetOutputPort())
+    normals.SplittingOff()  # Disable splitting of sharp edges
+    normals.ConsistencyOn()  # Ensure consistent polygon ordering
+    normals.AutoOrientNormalsOn()  # Automatically orient normals
+    normals.ComputePointNormalsOff()  # We only need face normals
+    normals.ComputeCellNormalsOn()  # Compute cell normals
+    normals.Update()
+
+    return normals.GetOutput()
+
+
+def poisson_reconstruction(self, points):
+    # Create a polydata object from points
+    point_polydata = vtk.vtkPolyData()
+    point_polydata.SetPoints(points)
+
+    # Create a surface reconstruction filter
+    surf = vtk.vtkSurfaceReconstructionFilter()
+    surf.SetInputData(point_polydata)
+    surf.Update()
+
+    # Create a contour filter to extract the surface
+    cf = vtk.vtkContourFilter()
+    cf.SetInputConnection(surf.GetOutputPort())
+    cf.SetValue(0, 0.0)
+    cf.Update()
+
+    # Reverse normals
+    reverse = vtk.vtkReverseSense()
+    reverse.SetInputConnection(cf.GetOutputPort())
+    reverse.ReverseCellsOn()
+    reverse.ReverseNormalsOn()
+    reverse.Update()
+
+    return reverse.GetOutput()
+
+
+def create_simplified_outline(self, polydata):
+    featureEdges = vtk.vtkFeatureEdges()
+    featureEdges.SetInputData(polydata)
+    featureEdges.BoundaryEdgesOn()
+    featureEdges.FeatureEdgesOn()
+    featureEdges.ManifoldEdgesOff()
+    featureEdges.NonManifoldEdgesOff()
+    featureEdges.Update()
+
+    """# 3. Clean the edges to merge duplicate points
+    cleaner = vtk.vtkCleanPolyData()
+    cleaner.SetInputConnection(feature_edges.GetOutputPort())
+    cleaner.Update()
+
+    # 4. Optional: Smooth the outline
+    smooth = vtk.vtkSmoothPolyDataFilter()
+    smooth.SetInputConnection(cleaner.GetOutputPort())
+    smooth.SetNumberOfIterations(15)
+    smooth.SetRelaxationFactor(0.1)
+    smooth.FeatureEdgeSmoothingOff()
+    smooth.BoundarySmoothingOn()
+    smooth.Update()"""
+
+    return featureEdges
+
+
+def render_from_points_direct_with_faces(self, vertices, faces):
+    points = vtk.vtkPoints()
+    for i in range(vertices.shape[0]):
+        points.InsertNextPoint(vertices[i])
+
+    # Create a vtkCellArray to store the triangles
+    triangles = vtk.vtkCellArray()
+    for i in range(faces.shape[0]):
+        triangle = vtk.vtkTriangle()
+        triangle.GetPointIds().SetId(0, faces[i, 0])
+        triangle.GetPointIds().SetId(1, faces[i, 1])
+        triangle.GetPointIds().SetId(2, faces[i, 2])
+        triangles.InsertNextCell(triangle)
+
+    """vtk_points = vtk.vtkPoints()
+    for point in points:
+        vtk_points.InsertNextPoint(point)
+
+    # Create a vtkCellArray to store the triangles
+    triangles = vtk.vtkCellArray()
+
+    # Assuming points are organized as triplets forming triangles
+    for i in range(0, len(points), 3):
+        triangle = vtk.vtkTriangle()
+        triangle.GetPointIds().SetId(0, i)
+        triangle.GetPointIds().SetId(1, i + 1)
+        triangle.GetPointIds().SetId(2, i + 2)
+        triangles.InsertNextCell(triangle)"""
+
+    # Create a polydata object
+    polydata = vtk.vtkPolyData()
+    polydata.SetPoints(points)
+    polydata.SetPolys(triangles)
+
+    # Calculate normals
+    normalGenerator = vtk.vtkPolyDataNormals()
+    normalGenerator.SetInputData(polydata)
+    normalGenerator.ComputePointNormalsOn()
+    normalGenerator.ComputeCellNormalsOn()
+    normalGenerator.Update()
+
+    self.cell_normals = vtk_to_numpy(normalGenerator.GetOutput().GetCellData().GetNormals())
+
+    # merged_polydata = self.merge_coplanar_triangles(polydata)
+
+    # Create a mapper and actor
+    mapper = vtk.vtkPolyDataMapper()
+    mapper.SetInputData(polydata)
+
+    actor = vtk.vtkActor()
+    actor.SetMapper(mapper)
+    actor.GetProperty().SetColor(1, 1, 1)  # Set color (white in this case)
+    actor.GetProperty().EdgeVisibilityOn()  # Show edges
+    actor.GetProperty().SetLineWidth(2)  # Set line width
+
+    feature_edges = self.create_simplified_outline(polydata)
+
+    # Create a mapper for the feature edges
+    edge_mapper = vtk.vtkPolyDataMapper()
+    # Already wiht output
+    edge_mapper.SetInputConnection(feature_edges.GetOutputPort())
+
+    # Create an actor for the feature edges
+    edge_actor = vtk.vtkActor()
+    edge_actor.SetMapper(edge_mapper)
+
+    # Set the properties of the edge actor
+    edge_actor.GetProperty().SetColor(1, 0, 0)  # Set color (red in this case)
+    edge_actor.GetProperty().SetLineWidth(2)  # Set line width
+
+    # Optionally, if you want to keep the original mesh visible:
+    # (assuming you have the original mesh mapper and actor set up)
+    self.renderer.AddActor(actor)  # Add the original mesh actor
+    # Add the edge actor to the renderer
+    self.renderer.AddActor(edge_actor)
+
+    # Force an update of the pipeline
+    mapper.Update()
+    self.vtk_widget.GetRenderWindow().Render()
+
+    """# Print statistics
+    print(f"Original points: {len(points)}")
+    print(f"Number of triangles: {triangles.GetNumberOfCells()}")
+    print(f"Final number of points: {normals.GetOutput().GetNumberOfPoints()}")
+    print(f"Final number of cells: {normals.GetOutput().GetNumberOfCells()}")"""
+
+
+def render_from_points_direct(self, points):
+    ### Rendermethod for SDF mesh (output)
+    # Create a vtkPoints object and store the points in it
+    vtk_points = vtk.vtkPoints()
+    for point in points:
+        vtk_points.InsertNextPoint(point)
+
+    # Create a polydata object
+    point_polydata = vtk.vtkPolyData()
+    point_polydata.SetPoints(vtk_points)
+
+    # Surface reconstruction
+    surf = vtk.vtkSurfaceReconstructionFilter()
+    surf.SetInputData(point_polydata)
+    surf.Update()
+
+    # Create a contour filter to extract the surface
+    cf = vtk.vtkContourFilter()
+    cf.SetInputConnection(surf.GetOutputPort())
+    cf.SetValue(0, 0.0)
+    cf.Update()
+
+    # Reverse the normals
+    reverse = vtk.vtkReverseSense()
+    reverse.SetInputConnection(cf.GetOutputPort())
+    reverse.ReverseCellsOn()
+    reverse.ReverseNormalsOn()
+    reverse.Update()
+
+    # Get the reconstructed mesh
+    reconstructed_mesh = reverse.GetOutput()
+
+    """# Simplify the mesh
+    target_reduction = 1  # Adjust this value as needed
+    simplified_mesh = self.simplify_mesh(reconstructed_mesh, target_reduction)
+
+    combinded_faces = self.combine_coplanar_faces(simplified_mesh, 0.001)"""
+
+    # Create a mapper and actor for the simplified mesh
+    mapper = vtk.vtkPolyDataMapper()
+    mapper.SetInputData(reconstructed_mesh)
+
+    actor = vtk.vtkActor()
+    actor.SetMapper(mapper)
+    actor.GetProperty().SetColor(1, 1, 1)  # Set color (white in this case)
+    actor.GetProperty().EdgeVisibilityOn()  # Show edges
+    actor.GetProperty().SetLineWidth(2)  # Set line width
+
+    # Add the actor to the renderer
+    self.renderer.AddActor(actor)
+
+    # Force an update of the pipeline
+    # mapper.Update()
+    self.vtk_widget.GetRenderWindow().Render()
+
+    # Print statistics
+    print(f"Original points: {len(points)}")
+    print(
+        f"Reconstructed mesh: {reconstructed_mesh.GetNumberOfPoints()} points, {reconstructed_mesh.GetNumberOfCells()} cells")
+    """print(
+        f"Simplified mesh: {simplified_mesh.GetNumberOfPoints()} points, {simplified_mesh.GetNumberOfCells()} cells")"""
@@ -0,0 +1,111 @@
+import sys
+
+import numpy as np
+import pyvista as pv
+from pyvista.plotting.opts import ElementType
+from pyvistaqt import QtInteractor
+from PySide6.QtWidgets import QApplication, QMainWindow, QVBoxLayout, QWidget
+
+
+class PyVistaWidget(QWidget):
+    def __init__(self, parent=None):
+        super().__init__(parent)
+
+        # Create the PyVista plotter
+        self.plotter = QtInteractor(self)
+        self.plotter.background_color = "darkgray"
+
+        # Create a layout and add the PyVista widget
+        layout = QVBoxLayout()
+        layout.addWidget(self.plotter.interactor)
+        self.setLayout(layout)
+
+        # Set up the picker
+        #self.plotter.enable_cell_picking(callback=self.on_cell_pick, show=True)
+        self.plotter.enable_element_picking(callback=self.on_cell_pick, show=True, mode="face", left_clicking=True)
+
+    def on_cell_pick(self, element):
+        if element is not None:
+            mesh = self.plotter.mesh  # Get the current mesh
+            print(mesh)
+            print(element)
+
+            """# Get the face data
+            face = mesh.extract_cells(element)
+
+            # Compute face normal
+            face.compute_normals(cell_normals=True, inplace=True)
+            normal = face.cell_data['Normals'][0]
+
+            # Get the points of the face
+            points = face.points
+
+            print(f"Picked face ID: {face_id}")
+            print(f"Face normal: {normal}")
+            print("Face points:")
+            for point in points:
+                print(point)"""
+        else:
+            print("No face was picked or the picked element is not a face.")
+    def create_simplified_outline(self, mesh, camera):
+        # Project 3D to 2D
+        points_2d = self.plotter.map_to_2d(mesh.points)
+
+        # Detect silhouette edges (simplified approach)
+        edges = mesh.extract_feature_edges(feature_angle=90, boundary_edges=False, non_manifold_edges=False)
+
+        # Project edges to 2D
+        edge_points_2d = self.plotter.map_to_2d(edges.points)
+
+        # Create 2D outline
+        self.plotter.add_lines(edge_points_2d, color='black', width=2)
+        self.plotter.render()
+
+    def mesh_from_points(self, points):
+        # Convert points to numpy array if not already
+        points = np.array(points)
+
+        # Create faces array
+        num_triangles = len(points) // 3
+        faces = np.arange(len(points)).reshape(num_triangles, 3)
+        faces = np.column_stack((np.full(num_triangles, 3), faces))  # Add 3 as first column
+
+        # Create PyVista PolyData
+        mesh = pv.PolyData(points, faces)
+
+        # Optional: Merge duplicate points
+        mesh = mesh.clean()
+
+        # Optional: Compute normals
+        mesh = mesh.compute_normals(point_normals=False, cell_normals=True, consistent_normals=True)
+        edges = mesh.extract_feature_edges(30, non_manifold_edges=False)
+
+        # Clear any existing meshes
+        self.plotter.clear()
+
+        # Add the mesh to the plotter
+        self.plotter.add_mesh(mesh, pickable=True, color='white', show_edges=True, line_width=2, pbr=True, metallic=0.8, roughness=0.1, diffuse=1)
+        self.plotter.add_mesh(edges, color="red", line_width=10)
+
+        # Reset the camera to fit the new mesh
+        self.plotter.reset_camera()
+
+        # Update the render window
+        self.plotter.update()
+
+        # Print statistics
+        print(f"Original points: {len(points)}")
+        print(f"Number of triangles: {num_triangles}")
+        print(f"Final number of points: {mesh.n_points}")
+        print(f"Final number of cells: {mesh.n_cells}")
+
+
+class MainWindow(QMainWindow):
+    def __init__(self):
+        super().__init__()
+        self.setWindowTitle("PyVista in PySide6")
+        self.setGeometry(100, 100, 800, 600)
+
+
+
+
@@ -0,0 +1,16 @@
+Copyright (C) 2025 Thomas Herrmann
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDisplayName</key>
+	<string>main</string>
+	<key>CFBundleExecutable</key>
+	<string>main</string>
+	<key>CFBundleIdentifier</key>
+	<string>main</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>main</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>NSHighResolutionCapable</key>
+	<true/>
+</dict>
+</plist>
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
bklronin	2be76511fb	- Improved sketching	2026-06-20 19:57:07 +02:00
bklronin	d6044e551a	- Improved sketching	2025-11-16 17:48:05 +01:00
bklronin	11d053fda4	Fix sketcher mode handling to prevent unintended line creation during drag operations Major changes: - Fixed right-click handler to directly set mode to NONE instead of relying on main app signal handling - Added safety checks in left-click handler to prevent drawing when no draggable point is found in NONE mode - Enhanced mode compatibility by treating Python None as SketchMode.NONE in set_mode() method - Added comprehensive debug logging for mode changes and interaction state tracking - Resolved integration issue where persistent constraint modes were prematurely reset by main app - Ensured point dragging is only enabled in NONE mode, preventing accidental polyline creation This fixes the reported issue where deactivating the line tool would still create lines when dragging, and ensures proper mode transitions between drawing tools and selection/drag mode.	2025-08-16 22:30:18 +02:00
bklronin	54261bb8fd	- added sdf folder ( doesnt work via pip or git=)	2025-08-16 20:33:44 +02:00
bklronin	d373b50644	- added screenshot	2025-06-01 10:08:35 +02:00
BKLronin	0a9d557ce0	Merge pull request 'structure' (#7 ) from structure into master Reviewed-on: BKLronin/fluency#7	2025-06-01 10:05:29 +02:00
bklronin	c1911e3fac	- added MIT license	2025-06-01 10:00:12 +02:00
bklronin	6cf70b9ae2	- Fixed redraw when component changed	2025-04-13 16:40:54 +02:00
bklronin	4d7b2cdbad	- Added enabling of midpsnap and prepared others - Show dimesnion on hover	2025-03-29 22:36:11 +01:00
bklronin	f26a596159	- Added contrain displayed next to line - Slight change to point check from solver.	2025-03-28 21:17:19 +01:00
bklronin	2a7f718b3e	- Added construction lines switching - Moved callbacks into sketchwidget from main. - Changed reset on right click	2025-02-16 22:00:59 +01:00
bklronin	878b6093b7	- Added new buttons and settings	2025-01-02 19:28:43 +01:00
BKLronin	15cc30edac	Merge pull request 'structure' (#6 ) from structure into master Reviewed-on: BKLronin/fluency#6	2025-01-02 19:20:35 +01:00
bklronin	3e88e41e4b	- Added new buttons and settings	2025-01-02 14:39:36 +01:00
bklronin	e9383f76a2	- delete sketch working - added mid point snap - added hovering line with distance	2025-01-01 21:35:43 +01:00
bklronin	f5861b8bd1	- Drawing bodys depending on the selected compo - Cut working - Edit sketch working	2024-12-31 23:48:20 +01:00
bklronin	601121dc15	- changing compos including sketches and bodies	2024-12-31 17:21:56 +01:00
bklronin	6c8462a7f3	- changing compos for sketches works	2024-12-31 14:34:41 +01:00
bklronin	8530f6f8b9	- Added new componnt controls	2024-12-31 00:36:26 +01:00
bklronin	6ef88925b1	- Added new componnt controls	2024-12-31 00:33:30 +01:00
bklronin	d75d59f311	- Sketch projection partly works again :)	2024-12-30 20:12:46 +01:00
bklronin	842799b35f	- Sketch projection partly works again :)	2024-12-30 13:54:15 +01:00
bklronin	a5202e1630	- Basic oop sketch widget implement	2024-10-26 18:02:06 +02:00
bklronin	79c1aa106f	-Changed multi layer render - added ignore - prepraed sketchwidget	2024-10-26 14:40:58 +02:00
bklronin	d86e108552	- Updated requirements.txt	2024-08-16 22:18:39 +02:00
bklronin	511b5da78a	- Bsic sketch to object approach	2024-08-16 20:21:21 +02:00
bklronin	b80185e93e	- Bsic sketch to object approach	2024-07-28 13:46:55 +02:00
bklronin	cebe1b41e7	- UI update sketch and body to the sides	2024-07-24 08:39:39 +02:00
bklronin	e3a8d55850	- intial transit	2024-07-23 15:25:50 +02:00
bklronin	df336aaea7	Layered rendering inverted interactor Befrore fork	2024-07-18 20:42:01 +02:00
bklronin	a8d15d7b4b	Fixed interactor Added proj lines selected	2024-07-17 16:53:25 +02:00
bklronin	048ace83ce	- Projection and extrusion fixed again	2024-07-16 20:11:24 +02:00
bklronin	c6f48a6e78	- Fixed 2d sketch with transfrom	2024-07-16 18:02:27 +02:00
bklronin	0c3e4eeb5e	- Sketch projection and extrude in place working	2024-07-13 13:46:13 +02:00
bklronin	d2b8d9540a	- Working project and draw on exiting	2024-07-11 20:16:20 +02:00
bklronin	cb471b4108	- More projection and extrusion in place	2024-07-10 23:19:43 +02:00
bklronin	b5c965bf2e	- Basic 2D projection	2024-07-09 15:45:34 +02:00
bklronin	5ff48c0f5e	- Basic 2D projection	2024-07-08 22:14:25 +02:00
bklronin	9daf263aad	- Implemented vtk base for viewing	2024-07-04 22:58:52 +02:00
bklronin	fcabe449f8	- Re enebaled mesh generation - fixed line tool right button break line - implemented main buffer for pt-line distance	2024-07-01 13:34:42 +02:00
bklronin	e9098108d2	- Transition to functions for entity retrieval	2024-06-28 22:52:23 +02:00
bklronin	24e4d1028b	- Added püoint to line incl detection - Added draggable points - added fhunctions for solv retreival	2024-06-28 14:22:27 +02:00
bklronin	e10e26565e	- Added distance and quadrant - added line distance to drawn lines	2024-06-26 18:16:56 +02:00
bklronin	3e85a11787	- Added distance and quadrant - added line distance to drawn lines	2024-06-26 17:42:13 +02:00
bklronin	ac9176fbd3	- pt_line constrain - Scalable quadrant view	2024-06-25 15:22:10 +02:00
bklronin	b197e52cf3	Basic pt_pt constrain with ui	2024-06-19 22:17:30 +02:00
bklronin	edbd5ed0d3	- Started Solvespace implementation solver	2024-06-19 17:14:58 +02:00
bklronin	a64971e0fe	Checkpoint before solvespace integration	2024-06-18 09:53:39 +02:00
bklronin	92a870e834	- UI workflow improvements - Remove specific item -	2024-06-15 23:03:27 +02:00
bklronin	055a90b62e	- Extrude and cut	2024-06-15 00:18:32 +02:00
bklronin	e35ff3e9a1	- Basic polygon to body	2024-06-14 14:38:11 +02:00
bklronin	24f569ebc1	2d drawing test	2024-05-11 22:36:06 +02:00
bklronin	fdc3948f8c	2d drawing test	2024-05-11 22:10:41 +02:00
bklronin	8db6743dcd	2d drawing test	2024-05-11 20:27:03 +02:00
bklronin	243d2c4385	basic_proto	2024-05-09 22:44:38 +02:00
bklronin	c11f47a2b6	basic_proto	2024-05-09 22:07:06 +02:00
bklronin	36db883433	basic_proto	2024-05-09 19:28:05 +02:00
bklronin	b391e871d6	basic_proto	2024-05-09 19:27:42 +02:00
Thomas	690b0a3880	init	2023-12-30 16:55:01 +01:00