Input
JPEG image
A raster photo. Pixel brightness is read as relief height.
JPG to STL converter
Turn a JPG image into a printable STL model right in your browser: height map relief, watertight solid, ready to slice. No upload, no software to install.
Output
Stereolithography
The 3D printing format: triangles only, no colour, UV or hierarchy. Every slicer understands it.
- Pixel brightness becomes relief height. JPEG noise is smoothed out automatically.
- STL stores triangles only, so colour, textures and UV coordinates are not carried over.
- The object hierarchy collapses into one solid mesh — that is what the format requires.
- The model is rotated Z-up automatically, the way slicers expect it.
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