What advantages does AMF or 3MF give you over STL in your workflow?

All STLs exported from valid Shapes in FreeCAD are manifold and need no fixing, so that's one less reason for 3MF.Īlso, Cura and PrusaSlicer support STL import and 3MF export. I don't think FreeCAD should replicate Slicer settings or support placement and so on. But that would also require new Properties to guide the export.Īs far as I understand it, the only valuable information FreeCAD can transmit to a slicer right now is the triangle mesh(es). So if you could export a complete document or multiple documents into one 3MF that would be one reason for 3MF support.Īnother interesting application is to assign different materials to different Bodies/Parts, so that you can use Multimaterial slicing. If you have a project and you want to export the parts for 3D printing, you currently have to either export every object manually as an STL or write a script/notebook that does that automatically, like a Makefile. 3MF might be interesting as an export, but in general it won't make a big difference right now.

Freecad 3mf