AI built a 460 part spider robot from a single picture

One picture of a spider robot, and AI built an interactive model of 460 parts out of it. Every part is written in code, down to glass shins with a piston and a spring moving inside.

The motion is not animated by hand, it is computed with math. Eight legs step in two groups of four, and a jump takes 0.12 seconds. Every panel around the spider reads from the same calculation, so the numbers always match what happens on screen. The eye aperture narrows on the jump, and one click blows the spider apart into parts and puts it back together.

It was made with teardown, a free Claude Code skill released on October 30. You give it one reference picture and it builds the mechanism in code: the math model first, then the parts, charts and labels. The result is a single HTML page that works offline.

MIT license, completely free. Without a good picture the AI makes a toy, with one it takes the machine apart bolt by bolt.