Mechanical Watch 3D

An interactive 3D mechanical watch with animated movement and labeled exploded view

Description

A sophisticated horological simulation built in a single HTML file using Three.js. It features a realistic gold case and a functional internal movement with 21 parts, including a balance wheel oscillating at 5Hz. The project includes an "Explode" button to separate components into labeled layers and interactive tooltips explaining each part's function.

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Details

Why this is interesting: An impressively complex 3D mechanical simulation with custom animations and interactive UI built from a single prompt.
Attributed to: @aichrislee
Built with: Opus 5.5
Tags: #threejs #3d #simulation #horology

Discovered: X
First posted: X · Oct 7, 2026
Listed: Added 3h ago
Build: Moderate
Models: Strong

Prompt

Build me a mechanical watch in interactive 3D, in one HTML file with Three.js.

Make it look real: the gold case and the glass on top, the dial and the hands, and behind it the movement you never get to see. The mainspring in its barrel, the gear train, the balance wheel swinging back and forth with its hairspring breathing, the escape wheel and the pallet fork ticking, and the red jewels the gears turn on. The balance wheel swings, the gears turn, and the second hand ticks. I can drag to orbit around it and scroll to zoom.

Add an Explode button. When I press it, every part slides apart in layers with its name on a label. Press it again and it all snaps back together. When I hover a part, it lights up and shows one line on what it does.

No images. Do not ask me any questions. Just build it.

Source

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