A full-bleed ASCII Widmanstätten pattern: interlocking nickel-iron crystal lathes locked to the four octahedral lattice angles, surfacing out of blank metal as a slow diagonal acid-etch front sweeps the surface over about 90 seconds and loops by repolishing the oldest region rather than resetting.
pnpm dlx shadcn@latest add "https://design.helpmarq.com/r/kamacite-etch.json"