LOW  | | |
| Name | Opton XYZ | STereoLithography |
| File extension | .xyz | .stl |
| Original software | ||
| Binary | ■ | |
| ASCII | ■ | ■ |
| Polygonal | ■ | ■ |
| NURBS | ||
| Solids | ||
| Smoothing groups | ||
| Textures, materials | ||
| Developer/Owner | ||
| Description | ||
| Specification | The StL Format | |
| Format features | Format that stores three-dimensional cloud of points | One of the most ubiquitous exchange formats polygonal geometry between CAD-systems. Can have both binary and ASCII-structure, which is why the same file can vary in size tenfold. See also PLY |
| Viewing software | MeshLab (free) | GLC_Player (free), MeshLab (free) |
