HIGH ![]() | ![]() | |
| Name | GL Transmission Format | NX Part/Assembly File |
| File extension | .gltf, .glb | .prt |
| Original software | NX (Unigraphics) | |
| Binary | ■ | ■ |
| ASCII | ■ | |
| Polygonal | ■ | ■ |
| NURBS | ■ | |
| Solids | ■ | |
| Smoothing groups | ■ | ■ |
| Textures, materials | ■ | ■ |
| Developer/Owner | Khronos Group | Siemens |
| Description | ||
| Specification | ||
| Format features | Supports 3D model geometry, appearance, scene graph hierarchy, and animation. A .gltf file may be self-contained or may reference external binary and texture resources, while a .glb file is entirely self-contained | |
| Viewing software | Paint 3D, MS Office etc | Delcam Exchange 2012 (free) |