Name | STereoLithography | NX Part/Assembly File |
File extension | .stl | .prt |
Original software | NX (Unigraphics) | |
Binary | ■ | ■ |
ASCII | ■ | |
Polygonal | ■ | ■ |
NURBS | ■ | |
Solids | ■ | |
Smoothing groups | ■ | |
Textures, materials | ■ | |
Developer/Owner | Siemens | |
Description | ||
Specification | The StL Format | |
Format features | 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 | GLC_Player (free), MeshLab (free) | Delcam Exchange 2012 (free) |