If FreeCAD encounters a problem with your script, it will generally give a sensible error message, however very occasionally a script can corrupt the internals of the program, so it fails to respond in the usual manner. If you make that change, it is necessary to exit & re-enter FreeCAD for the change to take effect. They are stored in the default location for scripts you can alter this to a directory of your choosing, by changing the ‘user macros location’ in the dialog box. Executing as a MacroĬlick on Macro then Macros… and you are given a list of Python macro files that can be executed.
#Freecad scripting full#
If you want to see the box in its full 3-D glory, either use the GUI controls to change the viewpoint, or add the following 2 lines: FreeCADGui.activeDocument().activeView().viewAxonometric()įreeCADGui.SendMsgToActiveView("ViewFit") 2. The result is a bit underwhelming all you can see is the bottom left-hand corner of a square. In the FreeCAD Python console window, try entering: FreeCAD.newDocument("Unnamed") There are several ways of running a Python script in FreeCAD: 1. The examples here have been tested with FreeCAD v0.16, and the current version 0.18 Running Python code
This is very much a work-in-progress, but hopefully will provide some useful pointers if you’re a Python programmer doing occasional 3D design. This is simple in theory, but a bit tricky in practice I’ll spare you the many frustrating false-starts I’ve made, and describe some simple ways of producing 3D objects from scratch in Python. Most packages support some form of scripting, so why not program my complete design from scratch, without touching the GUI? FreeCAD is a (free) 3D design package, with a comprehensive Python interface, so seems to be ideal… 3D CAD packages can be hard work there is a lot to learn, which can be a major problem for an infrequent user such as myself.
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