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Live three.js · move your pointer
Open ↗Freeper-frame swept tube with additive glow shells · dark
Neon Bend
A single neon tube on a brick wall strikes up with a stutter, then bends itself from a straight bar into cursive loops, an infinity sign, a spiral and a wave, its glow washing over the bricks behind it.
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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