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| Name | NX Part/Assembly File | 3DXML |
| File extension | .prt | .3dxml |
| Original software | NX (Unigraphics) | |
| Binary | ■ | ■ |
| ASCII | ||
| Polygonal | ■ | ■ |
| NURBS | ■ | |
| Solids | ■ | |
| Smoothing groups | ■ | ■ |
| Textures, materials | ■ | ■ |
| Developer/Owner | Siemens | Dassault Systemes |
| Description | ||
| Specification | ||
| Format features | Has the ability to store information several ways, including dynamic tessellation | |
| Viewing software | Delcam Exchange 2012 (free) | 3DXML Player (free), GLC_Player (free) |