3D Print Toolbox

Free tools for
3D print preparation

Browser-based tools for preparing, converting, and customizing files for 3D printing — no installs, no sign-up.

Tools
Lithophane Maker
Convert any photo into a 3D-printable lithophane STL. Adjust thickness, resolution, and optionally curve it into a cylinder.
Live →
STL Repair
Auto-fix non-manifold geometry, fill holes, and clean up mesh errors before sending to the slicer.
Live →
Text to STL
Type any text and export it as an embossed or debossed 3D model — great for labels, nameplates, and personalization.
Coming Soon
Image to STL
Trace a 2D image and extrude it into a solid 3D model — perfect for logos, silhouettes, and custom shapes.
Coming Soon
STL Viewer
Inspect any STL file in your browser with a 3D orbit view — check geometry, dimensions, and orientation before printing.
Live →
QR Keychains
Type a URL and get a two-color 3D-printable QR keychain — add label text, resize it, and drop keyring holes wherever you like.
Live →