.stl STL 3D model
3D models
| MIME type | model/stl |
|---|---|
| Description | STL 3D model |
| Acronym | STL – StereoLithography |
| Category | 3D models |
| Signature (magic bytes) | 53 4F 4C 49 44 (SOLID)73 6F 6C 69 64 (solid) |
Frequently asked questions
What is a .stl file?
A .stl file is a “STL 3D model” (MIME type model/stl). STL stands for StereoLithography.
How do I open a .stl file?
With a 3D program such as Blender (free) or a suitable CAD viewer; Windows 3D Viewer also displays many formats.
How can you tell a genuine .stl file?
By the bytes at the start of the file, the signature (magic bytes): 53 4F 4C 49 44 (SOLID) and 73 6F 6C 69 64 (solid). On Linux and macOS, file --mime-type example.stl checks the real type regardless of the extension.
Which MIME type belongs to .stl?
The MIME type is model/stl. In the Apache web server: AddType model/stl .stl; in nginx: types { model/stl stl; }.