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Gyroscopic Keychain — image 1
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Gyroscopic Keychain

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Gyroscopic keychain features multiple freely spinning concentric rings for everyday-carry

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Model information

License
Creative Commons — Attribution

This gyroscopic keychain features multiple freely spinning concentric rings, creating a smooth and satisfying fidget motion in a compact, everyday-carry form.

Designed to be:
  • enjoyable to spin and fidget with

  • compact and pocket-friendly

  • printable as a single assembled part (no assembly required)

The internal clearances are tuned for reliable movement straight off the printer. Ideal as a keychain, desk toy, or small gift print.

Features
  • Freely rotating concentric rings

  • No supports required

  • Prints fully assembled

  • Compact and durable design

Print Recommendations
  • Material: PLA or PETG

  • Layer height: 0.2 mm

  • Infill: 15–25%

  • Supports: No

  • Brim: Optional (recommended for better bed adhesion)

If rings feel tight after printing, gently flex or rotate them to free up movement.

Notes

Designed primarily as a fidget keychain, not a load-bearing part.
Scaling up slightly (102–105%) can improve motion depending on printer tolerances.

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