A 3D scan or an STL file (a triangle-based 3D mesh) does not give you editable hole sizes or wall thicknesses. Upload one and an AI rebuilds it as a short computer-aided design (CAD) program you can edit, then exports a STEP file (an exchangeable engineering model) in your own millimetres. Then describe how it is held and loaded, how fast a motor on it spins, how many times it is loaded — and the same verified simulation tools check the rebuilt part. These checks support engineering review, not safety certification.
For mechanical designers and engineering teams rebuilding machined-style parts.
Drop an STL or pick a sample part · about 2 minutes on our GPU server · one job runs at a time, so you may wait in line · up to 20 MB, 3 uploads per hour · uploads are deleted after 24 hours.
Need help with your own part or a private workflow? Discuss a Scan to CAD pilot.
Your STL is cleaned and rendered from eight directions, the way the AI was trained to see parts.
CADReasoner, an open vision-language CAD model (CVPR 2026), writes short CadQuery programs: sketches, holes, extrusions.
Every program runs in a locked sandbox with no network; OpenCASCADE, the geometry-checking engine, checks the solid.
The closest match is overlaid on your mesh and shown back to the AI to refine, then scaled to your millimetres.
We meshed parts whose exact CAD we know, asked the AI to rebuild them from the mesh alone, then measured how much of the rebuilt solid overlaps the original — exactly, with the geometry kernel.
Best on machined-style parts built from sketches and extrusions. Organic or freeform scans (castings, sculpted surfaces) are only approximated. The AI's code never runs outside its sandbox: it has no network and cannot write anywhere else — both are tested on every release.
Every result gets an honest grade — GOOD, ROUGH or POOR — from checking each dimension of the rebuilt CAD against your mesh, the surface gap, the shape in every direction and (for closed meshes) the volume. Assemblies work too: a file with several pieces is split, identical copies are rebuilt once and placed again, and you get one STEP plus one program for the whole assembly (up to 60 pieces, 10 different). Very long or flat parts are temporarily squashed so the AI can see their cross-section, then stretched back. Freeform shapes (smooth, sculpted surfaces) cannot be written as editable CAD and are graded POOR — but if the mesh is one closed piece, the strength check still runs directly on it. Every answer can be downloaded as a one-page PDF report, you can check one piece of an assembly at a time, and if you are logged in to the KYAMOS portal your parts are kept for 30 days under “My saved parts”.
For mechanical designers rebuilding machined-style parts. Tell us about your scan, dimensions, required editable features and intended use.
Pricing: quoted per project. Scope, computing needs, validation checks and support determine the quote. Contact us to agree access and deliverables before work starts.
Demonstrations do not certify a production design.