Fidget Spinner Keychain - Print in Place

This print-in-place keychain fidget spinner features a rotating center part with no bearing required. Fun and functional
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updated September 25, 2025

Description

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This fidget spinner keychain draws inspiration from the karambit knife design, providing a sleek and ergonomic shape that fits comfortably in your hand. The model is fully printable in one piece, with no assembly or bearings required. The center part rotates smoothly thanks to its print-in-place design. Whether you're looking for a unique keychain or a fun stress-relief tool, this spinner is the perfect combination of style and functionality.

Printing tips:

  • No supports required.
  • Recommended layer height: 0.2 mm and lower
  • Infill: 20%
  • Perimeters: 3+

Be cautious of large seam sizes, as they may fuse the bearing with the body, preventing it from spinning freely.

If you want another size, please check my other model HERE.
Enjoy a fun and functional print in just one go!

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Model origin

The author marked this model as their own original creation.

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