Parallel rows of offset tiles that refuse to look parallel — the mortar is not decoration, it is the whole mechanism, and the beat walks the row offset through the value where the wedges are strongest.
Drawn with: a WebGL2 shader.
Reacts to and looks like: gpu, webgl2 and audio-reactive.
Family: Visualiser.
Runs in your browser. The preview above is the same program the renderer uses.