MEDIUM ![]()  | ![]()  | |
| Name | Parasolid Model Part File | JT Open CAD File | 
| File extension | .x_t, .x_b | .jt | 
| Original software | ||
| Binary | ■ | ■ | 
| ASCII | ||
| Polygonal | ■ | |
| NURBS | ■ | ■ | 
| Solids | ||
| Smoothing groups | ■ | ■ | 
| Textures, materials | ||
| Developer/Owner | Siemens PLM Software | Siemens | 
| Description | ||
| Specification | www.jtopen.com | |
| Format features | File geometric kernel Parasolid. Is used by CAD-systems such as NX, Solid Efge, SolidWorks | Open lightweight format of three-dimensional data | 
| Viewing software | Delcam Exchange 2012 (free) | JT2Go (free), eDrawings RapidFire Lite 2011 (free) |