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3D Model Viewer
Instantly view STL files in your browser. Fast, secure, and 100% private. No upload to server, no registration required.
Drag & drop your 3D model hereTap to upload your 3D model
or browse files from your computer
No 3D Model Loaded
Upload an STL file above to see it rendered in high-quality 3D directly in your browser.
Trusted by top engineering teams
Why use Partwork's 3D Viewer?
The simplest and safest way to visualize your 3D designs without complex CAD software or privacy concerns.
100% Private & Secure
Your files never leave your device. All rendering is done locally in your browser, ensuring total confidentiality.
Instant In-Browser Loading
No waiting for uploads or server processing. View your models instantly with our high-performance engine.
Interactive Inspection
Rotate, zoom, and pan to inspect every detail of your design with smooth, intuitive controls.
Totally Free
No subscriptions, no watermarks, and no limits on file size or usage. Open as many models as you need.
No Installation
Works directly in any modern browser. No plugins, heavy software, or complex installations required.
Mobile Ready
Review designs on the factory floor or at client meetings. Our touch-optimized viewer works perfectly on any smartphone or tablet.
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