LOW  |  | |
| Name | Universal 3D File | SketchUp Document |
| File extension | .u3d | .skp |
| Original software | SketchUp | |
| Binary | ■ | ■ |
| ASCII | ||
| Polygonal | ■ | ■ |
| NURBS | ||
| Solids | ||
| Smoothing groups | ■ | ■ |
| Textures, materials | ■ | ■ |
| Developer/Owner | 3D Industry Forum, Ecma International | Trimble |
| Description | ||
| Specification | Universal 3D File Format | |
| 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) | |
| Viewing software | GLC_Player (free), MeshLab (free) | SketchUp Viewer (free) |
