Format reference
STEP Format Hub
STEP (.step, .stp) files represent CAD product data in ISO 10303 exchange syntax, supporting part geometry, assemblies, and manufacturing handoff. Use sample STEP files to validate CAD importers, assembly exchange, and product-data interoperability across engineering tools.
3
Files
136
Downloads (30d)
model/step
Related Formats in Three-d
STEP Related Formats
Format Strategy Links
STEP Format Guides
Implementation Notes
STEP 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.