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Life-Size LEGO Microduck — 1,113 Parts, 237 Steps

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Sep 24, 2026

Victor asked Claude Opus 5.5 to design a life-size Microduck he could actually build with real LEGO bricks — and it delivered something wild. The model selected 1,113 real parts, verified 3,204 stud connections with zero collisions, confirmed every build step is physically achievable, and checked that the centre of mass sits inside the feet so it stands. It then produced a 141-page LEGO-style instruction booklet across 237 steps and priced every piece on BrickLink, ready to order.

  • Designed with 1,113 real LEGO parts and verified 3,204 connections with zero collisions
  • Generated a 141-page, 237-step instruction booklet in official LEGO style
  • Priced every piece in-browser and prepared BrickLink orders automatically

“Opus 5.5 designing LEGO 👀 I asked it to design a Microduck I can build with real LEGO pieces. It: > designed it life-size using 1113 real LEGO parts > verified: 3,204 connections, 0 collisions, every step buildable, centre of mass inside the feet 🤯 > made a 141-page LEGO-style booklet (237 steps) > priced every piece in the browser and prepared the orders on BrickLink”

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