.3mf

What is a .3mf file?

A modern 3D printing format designed to replace STL.

Safe format
Type Cad
By 3MF Consortium
MIME application/vnd.ms-package.3dmanufacturing-3dmodel+xml

Drop any file to identify it

We read file headers, not extensions. Nothing gets uploaded.

What is it

A modern 3D printing format designed to replace STL. 3MF supports colour, materials, textures, and multiple objects in a single file — things STL can't do. Backed by Microsoft, HP, Autodesk, and the 3MF Consortium.

Technical details
Full Name
3D Manufacturing Format
MIME Type
application/vnd.ms-package.3dmanufacturing-3dmodel+xml
Developer
3MF Consortium
Magic Bytes
50 4B 03 04
Safety
.3mf is a known, safe format.
What opens it
Cura
FREE All
PrusaSlicer
FREE All
Windows 3D Builder
FREE Windows
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