Format reference
3MF Format Hub
3MF (.3mf) files package printable 3D model geometry, build metadata, and production-oriented settings inside a zipped XML container. Use sample .3mf files to validate slicer imports, build-item handling, and additive manufacturing preparation workflows.
3
Files
170
Downloads (30d)
application/vnd.ms-3mfdocument
Related Formats in Three-d
3MF Related Formats
Format Strategy Links
3MF Format Guides
Implementation Notes
3MF Implementation Notes
Use the manifest endpoint for deterministic fixture selection in CI, then validate MIME/type detection against actual parser output.
If this format appears in multiple categories, prefer category-specific hub pages to keep test assumptions aligned with real usage.