.3MF File

File extension 3mf is mainly associated with a special 3D Manufacturing Format developed by 3MF Consortium, which includes companies such as Microsoft (for OS support), Autodesk, Dassault Systemes.

3MF is an XML-based data format designed for using additive manufacturing, including information about materials, colors, and other information that cannot be represented in the STL format.

Files with 3mf extension can be typically found as 3D models saved in special 3D Manufacturing Format. Used for 3D printing purposes mostly, but users might also save 3D models in this format in the Paint 3D program from Windows.

How to open:

Several 3D modellings tools can work with .3mf files.

How to convert:

Possibly can be exported or converted for the purposes of 3D printing.