🧠 3D AI vs Human Drawing

Draw a freehand stroke on a 3D ground plane and watch it rebuilt as two glowing ribbons: your exact human path, and an AI reconstruction produced by a real moving-average smoothing filter. Height along each ribbon encodes local curvature, so you can see roughness directly.

3D · Three.js / WebGL renderer · 60 FPS target · runs fully client-side, no install