teardown

A Claude Code skill that turns any machine into a 3D simulator you can take apart.

Ask how something works. Claude builds it as one offline HTML page: the machine runs in the middle, every panel around it reads the real numbers, a button opens the part doing the work, and when nobody touches it the page tours itself.

Telson SC-8 robotic scorpion	Pelagos OC-8 robotic octopus

Install

npx skills add elvarofficial/teardown -g -a claude-code

Then, once, in the installed folder:

npm install && npx playwright install chromium

You need Node.js 20 or newer. For the video you also need ffmpeg, and for the sound Python 3.

Use

Ask Claude Code in plain words:

Build me a simulator of a 4-stroke motorcycle engine I can take apart.

How does a mechanical watch keep time? Show me as a simulator.

Make a teardown of a hydraulic excavator arm and record a 20-second video of it.

Or open one of the 3 examples first:

node sims/build.mjs v8-live          # teardown-out/dist/v8-live.html
node sims/build.mjs cessna-live
node sims/build.mjs strandbeest-live

What is inside

SKILL.md	What Claude reads: how a machine is built, the rules that make it look right, the review loop.
sims/kit/	Runtime, stage, shader warm-up.
sims/v8-*, sims/cessna-*, sims/strandbeest-*	3 complete machines. -shared is the machine, -live the page you drive, -film the recorded tour.
sims/build.mjs	Bundles a machine into one HTML file, three.js and fonts inlined.
sims/capture.mjs	Renders the film frame by frame to a 60 fps mp4, or to review sheets of stills.
sfx/, run_sfx.py	Procedural sound on the film's timeline, mastered to −14 LUFS.

Credits

Built on whaleyxbt/claude-motion (MIT): the runtime, frame capture, sound engine and review rules come from there. Recorded samples are CC0 from Freesound, prepared by Barty-Bart/motion-graphics; sources in sfx/samples/SOURCES.md.

MIT licence.