Find out what is an STL file and how you can open and view an STL file with .stl extension in Windows 10. It is native to the stereolithography CAD software.

If you want to create a 3D model in STL format or edit an existing STL file in Windows 11/10, use these free STL editors.

3Shape presently provides STL CAD design file export from its design software. Open STL CAD design file export means professionals can manufacture their designs on any mill and 3D printer.

Microsoft has picked up Netfabb's 3D file cloud repair service, and renamed it Microsoft Model Repair. Features faster repair times thanks to new servers.

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.