Claude Opus 5.5 Designs a Buildable LEGO Microduck: 1,113 Real Parts, Zero Collisions
soleio · x · 2026-09-24
User victormustar had Claude Opus 5.5 design a Microduck buildable with real LEGO pieces:
- Designed life-size using 1,113 real LEGO parts
- Self-verified: 3,204 connections, 0 collisions, every step buildable, center of mass inside the feet
- Produced a 141-page LEGO-style booklet with 237 steps
- Priced every piece in the browser and prepared the orders on BrickLink
A striking demo of spatial reasoning and engineering verification by a frontier model.
Related event: Opus 5.5 Designs a Microduck from 1113 Real LEGO Pieces(6 posts)→
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