Runs fully locally in your browser. Nothing is uploaded or shared.
Mouse — left-drag orbit · middle-drag pan · Shift+middle orbit · right-drag pan · scroll zoom
Touch — one-finger orbit · two-finger pan · pinch zoom · tap to pick
SpaceMouse — all 6 axes drive the camera
M — measure: pick faces, edges, vertices, or cylinders. Panel shows center / min / max, ΔX/Y/Z, angle, ⌀/R. Click a value to copy.
S — section: pick a face, click an origin-plane guide (XY/XZ/YZ), or use the buttons; drag the arrow or use the slider, flip direction
Esc — cancel pick / clear measure / close panels (drag measure & section panels by their title bar)
Click a part — selects it in the model tree
Model tree — search · isolate / ghost / hide on hover · double-click isolate · explode slider at the bottom
Views — 1 front · 3 right · 7 top · 0 isometric · F fit (or the house next to the view cube) · click the view cube faces, edges, corners
Save view — export the current canvas as PNG
Display mode — toolbar button next to Settings: shaded · shaded + edges · wireframe · x-ray · hidden line. Orthographic / perspective is in Settings
Install — Chrome/Edge can install this viewer as an app and open STEP/IGES/mesh files with it
Click a value to copy. ΔX / ΔY / ΔZ (and 3D distance) also show that component in the model. For cylinders, Min / Center / Max switches wall vs centerline distances.