HIGH  |  | |
| Name | LightWave 3D Object File | Initial Graphics Exchange Specification |
| File extension | .lwo | .igs, .iges |
| Original software | LightWave | |
| Binary | ■ | |
| ASCII | ■ | |
| Polygonal | ■ | |
| NURBS | ■ | |
| Solids | ||
| Smoothing groups | ■ | ■ |
| Textures, materials | ■ | |
| Developer/Owner | Newtek | U.S. National Bureau of Standards |
| Description | ||
| Specification | Lightwave SDK | Download PDF |
| Format features | LightWave object. See also LWS | Universal open interchange NURBS-surfaces format. Along with STEP - one of the most popular |
| Viewing software | Deep View (free) | Delcam Exchange 2012 (free), eDrawings (free) |
