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

Open 3MF FAQ
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.