brep-lens STEP / B-rep inspector
samples:
Starting…

Topology

Drop a STEP, IGES or BREP file here

or pick a sample above. Everything stays in your browser.

click: pick face / edge / vertex · drag: orbit · right/shift-drag: pan · wheel: zoom · F / double-click: fit · Z: zoom to selection · V: vertices · Esc: clear · Alt+←/→ or [ ]: back/forwardtap: pick · drag: orbit · two fingers: pinch-zoom and pan · double-tap: fit