general purpose parametric 3D CAD modeler
FreeCAD is an open-source parametric 3D modeler made primarily to design real-life objects of any size. Parametric modeling allows you to easily modify your design by going back into your model history and changing its parameters.
Homepage: https://www.freecad.org/
Maintainer: Johannes Thyssen Tishman <jtt@openbsd.org>