Kept
- Triangle geometry and part groups
- Per-solid colours
- A single binary file for the web
Runs locally · no upload
Convert STEP to GLB
Publish a CAD part on the web: STEP is tessellated into a GLB scene with one mesh per solid, ready for three.js, model-viewer or AR.
- Free preview
- Account to download
- 5 credits per file
- 60 free credits at signup
- See credits ↗
Drop a 3D file hereSTL, OBJ, PLY, GLB, glTF, 3MF or STEP · up to 100 MB · processed locallyYour file never leaves this browser.
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What changes in the conversion
Dropped
- Exact CAD surfaces
- Parametric history and PMI
- Assembly constraints
Common mistakes
- A STEP without solids cannot be tessellated.
- Very large assemblies may time out in the browser; convert one part.
- Invalid files are rejected.
For 3D printing
- GLB is for viewing, not printing; keep an STL or 3MF for the slicer.
- No Draco or Meshopt compression is applied; dense meshes stay large.
Drop the file — it is read locally, never uploaded.
Choose the options, then convert or compress.
Download the result and open it in your slicer or 3D software.
Frequently asked questions
Is GLB good for CAD viewers?+
It is a mesh, not CAD: fine for a visual web viewer, but measurements and exact surfaces are lost.
Does it include colours?+
Each solid gets a colour from the tessellator; textures are not created.
Can I use it in three.js?+
Yes, GLTFLoader opens it directly; no external files are needed.
Need a model instead of a conversion?
Turn a photo, a drawing or a logo into a 3D model, then export it in the format you need.