Browser-based · No installation

Precision tools
for precision people

2D CAD sketching, 3D part inspection, and STEP file conversion — built for engineers who make things that matter. Free, fast, runs in your browser.

✏️ CAD Sketch 🧊 3D Viewer ⚙️ STEP Converter
Tools

Three tools. Zero bullshit.

2D

CAD Sketch

Technical drawing on a precision grid. Lines, circles, arcs, offsets, dimensioning, snap-to-grid. Import PDF vectors, export PNG.

5mm grid PDF import OBJ/GLB Snap Dimensions Offset PNG export
Launch
3D

Part Viewer

Inspect machined parts in 3D. Load GLB or OBJ files with edge wireframe overlays. Orbit, pan, zoom. B-rep edge support.

GLB / OBJ Edge wireframe B-rep edges Orbit Part stats Drag & drop
Launch
CONVERT

STEP → GLB

Upload a STEP file, get a GLB with auto-smooth normals and B-rep edge wireframes. FreeCAD + Blender processing server-side.

STEP input GLB output FreeCAD Blender B-rep edges 50MB max
Launch