2D CAD sketching, 3D part inspection, and STEP file conversion — built for engineers who make things that matter. Free, fast, runs in your browser.
Technical drawing on a precision grid. Lines, circles, arcs, offsets, dimensioning, snap-to-grid. Import PDF vectors, export PNG.
Inspect machined parts in 3D. Load GLB or OBJ files with edge wireframe overlays. Orbit, pan, zoom. B-rep edge support.
Upload a STEP file, get a GLB with auto-smooth normals and B-rep edge wireframes. FreeCAD + Blender processing server-side.