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.

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Expected extensions: .stl

HTTP Content-Type Header

HTTP Header
Content-Type: model/stl

Associated File Extensions

.stl

Quick Facts

MIME Typemodel/stl
CategoryModel
TypeBinary
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;
}

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