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

​

​