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3MF in sintesi
3MF
Convert to 3MF when preparing models for 3D printing, especially when color, materials, units, multiple parts, or print-specific metadata should survive.
It is a strong target for additive-manufacturing workflows, maker pipelines, and print-ready model exchange.
Choose it over STL when richer manufacturing semantics are needed.
BREP in sintesi
BREP
Solid model exchange between OpenCASCADE-based CAD applications, engineering analysis preparation, and BREP-to-mesh conversion pipelines.
Confronto tra formati
| Caratteristica | 3MF | BREP |
|---|---|---|
| File type | Cad | Cad |
| Extensions |
|
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| MIME type |
|
|
| Compression / quality | precise | precise |
| File size characteristics | depends | depends |
| Compatibility | limited | limited |
| Editability | high | high |
| Created year | 2015 | 1996 |
| Inventor | 3MF Consortium | Open CASCADE Technology |
| Status | active | active |
| Transparency | Non supportato | Non supportato |
| Animation | Non supportato | Non supportato |
| Primary use cases |
|
|
| Common software |
|
|
| Archival suitability | moderate | moderate |
| Metadata handling | rich | rich |
| Delivery profile | limited | limited |
| Workflow fit | design | design |
| Layer support | Non supportato | Non supportato |
| Vector scaling | Supportato | Supportato |
| Structured data | Supportato | Non supportato |
Quando usare ciascun formato
When to use 3MF
- design authoring
- review handoff
- manufacturing exchange
- Designed for additive-manufacturing workflows rather than generic mesh exchange alone.
When to use BREP
- design authoring
- review handoff
- manufacturing exchange
- Preserves exact geometry and topology for solids, shells, faces, edges, and vertices.
Domande frequenti
Why convert 3MF to BREP?
Solid model exchange between OpenCASCADE-based CAD applications, engineering analysis preparation, and BREP-to-mesh conversion pipelines.
What changes when converting 3MF to BREP?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to BREP removes structured data.
What should I review after converting 3MF to BREP?
Check the exported file for Much less universal than exchange standards such as STEP or mesh formats such as STL and OBJ.; Strongly coupled to CAD-kernel concepts that many lightweight viewers do not implement..