A spring shaped by hand, as time and bounce (Motion's visualDuration and bounce, Framer's Time and Bounce). The Pad's well with the spring's curve on its floor: drag the cap right for a slower spring and up for more bounce. It says what the spring does in words, a dot crosses a rail on it when you let go, and tier draws litt's limits with a Fits or Change row per rule.
pnpm dlx shadcn@latest add "https://littmd.vercel.app/r/spring-editor.json"