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3D & Geometry.stl

STL viewer

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About STL

Stereolithography 3D mesh (3D printing).

STL is the 3D-printing lingua franca — a list of triangles, nothing more. We render with three.js and give you orbit/zoom/wireframe in a clean editorial chrome.

FAQ
What is a STL file?
STL is the 3D-printing lingua franca — a list of triangles, nothing more. We render with three.js and give you orbit/zoom/wireframe in a clean editorial chrome.
Is my file uploaded?
No. Files are opened entirely in your browser using local JavaScript and WebAssembly. Nothing is sent to a server.
Does it work on mobile?
Yes. The viewer is mobile-first and works on phones, tablets, and desktops.
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