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3D Gym Builder with 500+ Equipment Pieces

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Sep 22, 2026

A browser-based 3D gym layout tool that lets you drag and drop over 500 real gym equipment pieces — Rogue racks, REP benches, dumbbell trees, turf strips — into a fully rendered room. The 3D viewport supports front, side, and top views with rotation snapping, per-piece color and finish options, and live dimension tracking. Wes Bos built it using Claude Opus 5.5 after running a ton of tokens through the model over a week, calling it "fable level" for 3D modeling tasks.

  • 510 real gym parts from brands like Rogue Fitness, REP Fitness, and Bells of Steel, each with placement, rotation, and appearance controls
  • Live 3D viewport with multi-angle views (3D, Front, Side, Top) and millimeter-precise room dimension readout
  • Built entirely with Claude Opus 5.5, which Wes Bos says excels at 3D modeling after heavy real-world use

“I've been using Opus 5.5 over the last week and ran a TON of tokens through it. I can tell you it's def on the fable level It's VERY good at 3D modeling. I had it render the top 500 gym equipment pieces and create a whole gym builder”

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