HIGH  |  | |
| Name | Universal 3D File | STEP |
| File extension | .u3d | .stp, .step |
| Original software | ||
| Binary | ■ | ■ |
| ASCII | ■ | |
| Polygonal | ■ | |
| NURBS | ■ | |
| Solids | ||
| Smoothing groups | ■ | ■ |
| Textures, materials | ■ | |
| Developer/Owner | 3D Industry Forum, Ecma International | ISO |
| Description | ||
| Specification | Universal 3D File Format | Download PDF |
| Format features | Attempt to create a universal format for the exchange of 3D-data, including for publishing on the Internet. One of the successors of obsolete format WRL (VRML) | The basic format of the transfer surfaces between CAD-systems. See also IGES |
| Viewing software | GLC_Player (free), MeshLab (free) | Delcam Exchange 2012 (free), eDrawings (free) |
