🎹 Piano Hammer Strike in 3D: Felt Contact, Inharmonic Partials and Timbre

Interactive 3D piano string struck by a felt hammer on a Blender-modelled rig: finite-difference stiff string with the nonlinear Chaigne-Askenfelt felt law, force pulse, bridge-force spectrum, inharmonicity and sound, with six numerical checks.

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