Translations:Python scripting tutorial/50/en

Interface
The FreeCAD user interface is made with Qt, a powerful graphical interface system, responsible for drawing and handling all the controls, menus, toolbars, buttons around the 3D view. Qt provides a module, called PyQt, which allows python to access and modify Qt interfaces, such as FreeCAD. Let's try to fiddle with the Qt interface and produce a simple dialog: