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Live three.js · move your pointer
Open ↗Freekinematic chain on sprockets with alternating instanced links · dark
Chain Drive
A heavy steel chain runs round two flanged sprockets in a dark workshop, every link turned a quarter to its neighbour, the lower run sagging under its own weight while the wheels turn in step.
How to use it
Run the real thing here, tune it, then copy the prompt that rebuilds it.
- 01Launch and look
The preview is the real three.js scene in a sandboxed frame, not a recording. Everything responds to you.
- 02Dial it in
Swatches recolour, sliders move the parameters that matter, Randomize finds what you would not have typed. Structural changes rebuild the geometry.
- 03Pick your stack
Single HTML by default, or a Next.js, React, Vue or Astro component that imports three from npm.
- 04Copy the prompt
It carries geometry, motion, camera and material intent with your values, in build order.
- 05Iterate one element at a time
Geometry, then motion, then camera, then material. Scroll and hover behaviour usually takes a second pass; that is normal.
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