Three-d format

3MF Sample Files

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 All to 50KB SHA256 verified Manifest included
Quick facts
CategoryThree-d
Total Files3
Extension.3mf
MIMEapplication/vnd.ms-3mfdocument
ManifestJSON
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Files first

3MF Sample Files — Download

Starter file

3mf_calibration_cube_sample.3mf · 1.1 KB

Download

Calibration Cube 3MF

Packaged printable-model fixture for slicer and manufacturing-prep validation.

3mf_calibration_cube_sample.3mf · 1.1 KB
Download Fixture

Mounting Bracket 3MF

3MF bracket fixture for production-oriented model packaging and handoff checks.

3mf_mounting_bracket_sample.3mf · 1.1 KB
Download Fixture
Filename Size MIME Download
.3mf Realistic Starter SHA256 a05983b2f9ac...
1.1 KB application/vnd.ms-3mfdocument Download
.3mf Realistic SHA256 5c25ccd9e4d3...
1.1 KB application/vnd.ms-3mfdocument Download
.3mf Realistic SHA256 e2f83664f085...
1.1 KB application/vnd.ms-3mfdocument Download
Use cases

3MF Testing Workflows

Use the file table first, then branch into compare or FAQ only if the task needs more context.

Compare and decide

3MF Format Comparisons

More three-d formats: OBJ STL GLTF DXF GLB PLY
FAQ and reference

3MF File FAQ

Checksum Verification

Use checksums to confirm file integrity after download.

shasum -a 256 your_file_name_here
# Compare output with SHA256 values listed above.
Where is the machine-readable manifest?

Use the manifest when you need stable names, SHA256 values, and URLs for automation.

Validation Methodology
  • Validate extension and MIME detection before processing.
  • Benchmark performance with small and larger files.
  • Test malformed-input handling and error messaging.
Fixture Matrix

Use the curated 3MF matrix to choose the right clean, edge-case, and broken fixtures for this format.

Open Matrix