file-formats.md

# File Formats



### File Formats

| Name | License | Encoding | Features |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| [3MF](https://en.wikipedia.org/wiki/3D_Manufacturing_Format) | Open | Compressed XML | geometry, material, metadata, signature, texture, thumbnail |
| [ACIS](https://en.wikipedia.org/wiki/ACIS#File_format) |  | text or binary |  |
| [AMF](https://en.wikipedia.org/wiki/Additive_Manufacturing_File_Format) | Open | Zipped XML | color, constellations, curved triangles, formulas, geometry, material, metadata |
| [CKD](https://en.wikipedia.org/wiki/KeyCreator) | Proprietary |  |  |
| [DWG](https://en.wikipedia.org/wiki/.dwg) \(Drawing\) | Proprietary | OpenXPS |  |
| [DXF](https://en.wikipedia.org/wiki/AutoCAD_DXF) \(Drawing Exchange Format\) | Proprietary | text/binary |  |
| [DWF](https://en.wikipedia.org/wiki/Design_Web_Format) \(Design Web Format\) |  | OpenXPS | Communicate design information |
| [IGES](https://en.wikipedia.org/wiki/IGES) \(Initial Graphics Exchange Specification\) | Vendor-neutral | text |  |
| [OBJ](https://en.wikipedia.org/wiki/Wavefront_.obj_file) \(Object\) | Open | text | geometry |
| [PLY](https://en.wikipedia.org/wiki/PLY_%28file_format%29) \(Polygon File Format\) | Open | text or binary | color, geometry, normals, texture, transparency |
| [STL](https://en.wikipedia.org/wiki/STL_%28file_format%29) | Proprietary | text or binary | geometry, normals |
| [STEP](https://en.wikipedia.org/wiki/ISO_10303) | ISO  |  |  |