A full-bleed hero built on a subtractive recording mechanic: a soot-coated drum turns beneath a fixed stylus that scratches a bright, permanent trace through the dark coating, while a resmoking brush at the trailing edge repaints the outgoing soot fresh so the drum recirculates forever.
npx shadcn@latest add https://design.helpmarq.com/r/kymograph-smoke-trace.jsonkymograph-smoke-trace