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| Name | SolidWorks Assembly File | Polygon Model File | 
| File extension | .sldasm | .ply | 
| Original software | SolidWorks | |
| Binary | ■ | ■ | 
| ASCII | ■ | |
| Polygonal | ■ | ■ | 
| NURBS | ■ | |
| Solids | ■ | |
| Smoothing groups | ■ | |
| Textures, materials | ■ | |
| Developer/Owner | Dassault Systemes | |
| Description | ||
| Specification | PLY - Polygon File Format | |
| Format features | Makefile CAD system SolidWorks | Amoung with STL, it is one of the most simple formats for storing polygonal information | 
| Viewing software | SolidWorks Viewer 2011 (free), eDrawings (free) | GLC_Player (free), MeshLab (free) |