2013/12/17 Zenker, Dr. Matthias <Matthias.Zenker at erbe-med.com>: > can FreeCAD save in STEP format? If so, this would be better suited for > import in gmsh. Yes, FreeCAD can export STEP and that is better than STL, but it can also export BRep which is perhaps even more suitable for Gmsh; see http://www.freecadweb.org/wiki/index.php?title=Topological_data_scripting