brep-lens - STEP / B-rep inspector

Topology

problems only

Drop a STEP, IGES or BREP file here

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

click: pick · drag: orbit · right/shift-drag: pan · wheel: zoom · F / double-click: fit · Z: zoom to selection · 1–6, 0: views · I / H / U: isolate, hide, show all · C: colours · O / L / N / S: orientation, flat, normals, section · V: vertices · Esc: clear · [ ]: back/forwardtap: pick · drag: orbit · two fingers: pinch-zoom and pan · double-tap: fit · long-press a tree row: isolate / hide