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