ModelBinary
model/stl
STL (Stereolithography)
Reference for model/stl, the MIME type for STL 3D model files used universally in 3D printing and rapid prototyping.
MIME Type Detector
Drop a file to detect its MIME type — no upload, runs in your browser
📄
Drop any file here or click to choose
Expected extensions: .stl
HTTP Content-Type Header
HTTP Header
Content-Type: model/stlAssociated File Extensions
.stl
Quick Facts
| MIME Type | model/stl |
| Category | Model |
| Type | Binary |
| Extensions | .stl |
Common Usage
STL is the standard file format for 3D printing and rapid prototyping. It describes 3D geometry using triangular facets.
Every 3D printer slicer accepts STL input. While limited to geometry without color or texture, its simplicity makes it the universal 3D printing format.
Code Examples
HTML
<!-- Link or embed with explicit type -->
<link rel="stylesheet" href="file.stl" type="model/stl">
<!-- Or for script/media elements -->
<script type="model/stl" src="file.stl"></script>Node.js
// Express.js
app.get('/file', (req, res) => {
res.type('model/stl');
res.send(data);
});
// Node.js http
res.writeHead(200, { 'Content-Type': 'model/stl' });nginx
# nginx.conf — add to types block or use default
types {
model/stl stl;
}
# Or set for a specific location
location /api/ {
default_type model/stl;
}Related MIME Types
More Model MIME Types
Other model types in the Model family
Related Tools
Explore More MIME Types
Browse our complete reference of 185 MIME types with usage examples, HTTP headers, and code snippets.