KiCad has been successfully run on the Pi, I remember some discussion in this forum some time ago.
Probably a lot easier than FreeCAD as it is not so 3D graphics intensive
edit Here is one thread
KiCad has been successfully run on the Pi, I remember some discussion in this forum some time ago.
Probably a lot easier than FreeCAD as it is not so 3D graphics intensive
edit Here is one thread