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.

However, in real life, you may have an STL file and nothing else. The video shows how you can convert such an object into a proper FreeCAD part. We liked that the example part isn’t a boxy design.

We list the best 3D file converters, to make it simple and easy to save 3D files as different compatible formats, including proprietary ones for use in other applications. The best 3D file converter ...