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| Name | GL Transmission Format | 3D Studio |
| File extension | .gltf, .glb | .asc, .ascii |
| Original software | 3D Studio (DOS) | |
| Binary | ■ | |
| ASCII | ■ | ■ |
| Polygonal | ■ | ■ |
| NURBS | ||
| Solids | ||
| Smoothing groups | ■ | ■ |
| Textures, materials | ■ | ■ |
| Developer/Owner | Khronos Group | Autodesk |
| 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 | Also files with the same extension may be result of work with three-dimensional scanners |
| Viewing software | Paint 3D, MS Office etc | GLC_Player (free), MeshLab (free) |