ModelBinary

`model/3mf`

3MF (3D Manufacturing)

Reference for model/3mf, the MIME type for 3MF 3D manufacturing files designed to replace STL for 3D printing.

MIME Type Detector

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Expected extensions: .3mf

HTTP Content-Type Header

HTTP Header

Content-Type: model/3mf

Associated File Extensions

.3mf

Quick Facts

MIME Type	model/3mf
Category	Model
Type	Binary
Extensions	.3mf

Common Usage

3MF (3D Manufacturing Format) is designed to replace STL for 3D printing, adding support for colors, materials, textures, and metadata that STL lacks. Developed by the 3MF Consortium (Microsoft, HP, Autodesk, etc.), it is supported by Windows 3D tools and modern slicers.

Code Examples

HTML

<!-- Link or embed with explicit type -->
<link rel="stylesheet" href="file.3mf" type="model/3mf">

<!-- Or for script/media elements -->
<script type="model/3mf" src="file.3mf"></script>

Node.js

// Express.js
app.get('/file', (req, res) => {
  res.type('model/3mf');
  res.send(data);
});

// Node.js http
res.writeHead(200, { 'Content-Type': 'model/3mf' });

nginx

# nginx.conf — add to types block or use default
types {
    model/3mf  3mf;
}

# Or set for a specific location
location /api/ {
    default_type model/3mf;
}