@AliveDevil dunno for FreeCAD but my trick with #Wings3D was to export it to STL and do that with #inkscape
Does #FreeCAD have an export for this? I'm almost sure it does.
I took out Wings 3D and Art of Illusion from the list because they are not specifically CAD applications.
#Wings3D (2025)
https://www.wings3d.com/
Art of illusion (2023)
http://www.artofillusion.org/
Blender 3D is an open-source, free-to-use, and powerful 3D creation suite.
FreeCAD is a parametric 3D CAD (Computer-Aided Design) tool primarily used for product design, mechanical engineering, and architecture
Wings 3D is a free, open-source subdivision modeler that focuses primarily on polygonal modeling.
BRL-CAD is a powerful open-source solid modeling system with a focus on engineering and military applications.