- pt_line constrain

- Scalable quadrant view

drawing_modules/gl_widget.py

@@ -28,7 +28,6 @@ class OpenGLWidget(QOpenGLWidget):
         
         return mapped_value
 
-
     def load_stl(self, filename: str) -> object:
         try:
             stl_mesh = mesh.Mesh.from_file(filename)
@@ -76,12 +75,10 @@ class OpenGLWidget(QOpenGLWidget):
     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)