Triple Ring Interlocking Gear Fidget-Video included (looks impossible)
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Three interlocking helical gear rings spin freely inside a printed case, a spinner where gears ARE the mechanism.
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Model information
- Source
- Printables
- Category
- Other Toys & Games
- License
- Creative Commons — Attribution — NoDerivatives
The Triple Ring Interlocking Gear Fidget puts gears right at the center of the design: three helical-toothed rings — two in red, one in black/grey — mesh into one another like a mechanical knot, spinning freely around each other while held and protected by a snug-fitting printed case.
The heart of this design is the motion itself: thanks to the angled (helical) teeth on all three rings, spinning it produces a noticeable, fluid resistance rather than a simple freewheel — the gears actively mesh against one another, creating a satisfying, almost clockwork-like feel in the hand.
Assembly & Printing:
All three rings are interlocked with each other, so they must be printed together as one piece, with supports, to correctly capture the internal teeth and overhangs. Despite the interlocking geometry, the print is straightforward and beginner-friendly.
The case consists of two halves that align precisely using built-in locating pins — so it's immediately obvious how the two parts fit together. To finish assembly, secure the two case halves at the pins with a drop of superglue (cyanoacrylate).
No color swaps required for function, but the design is great for multi-color printing (e.g. printing the red and black rings separately) to maximize visual contrast against the gear teeth.
