Live tech demo
No plugins, no uploads. This page renders a 3D scene on the GPU and can put your webcam — with your permission, kept entirely on your device — onto the spinning cube, round-trip it through a real codec (encode + decode), and pop it into Picture-in-Picture. The same pipeline behind the displays we drive, running live on your machine.
your source (webcam or synthetic) — also the cube texture · local only, never uploaded