The STL (STereoLithography) file format is the standard file format used for 3D printing. It is a mesh-based file that describes the surface geometry of a 3D object. However, when working with CAD ...

An imported STEP file is converted to a triangle mesh on import (making it much like a typical .stl or .3mf file) which means that slicing all happens as one would normally expect.

$ openscad-step-reader A proof-of-concept program for STEP/OpenSCAD integration usage: openscad-step-reader [options] INPUT.STEP Output is written to STDOUT. options are: -h, --help this help screen ...

Multiple file-format choices exist, but you might want to consider taking additional steps when saving your parts for 3D printing.