Rotary Engine Fidget Keychain
Print Profile(5)



![FOR SMALLER KEYRING - [0.2mm layer, 2 walls, 15% infill]](https://makerworld.bblmw.com/makerworld/model/US7f7d2bb6f0290a/359580393/instance/2025-07-22_45239def28d7d8.png?x-oss-process=image%2Fresize%2Cw_100%2Fformat%2Cwebp)
Bill of Materials
Description
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Also check out my Rotary Engine Front Cover for A1, Turbo Keychain and Fidget Shifter Keychain
The Rotary Engine Fidget Keychain is a sleek, functional replica of a rotary engine, bringing its iconic spinning motion right to your pocket. Its Printed-in-place and it only requires a firm twist after being removed from the build plate to start rotating smoothly. Whether you're an automotive enthusiast or love clever fidget toys, this keychain is a compact, interactive piece of engineering.
Key Features:
- Print-in-Place Design: No assembly required, just a twist after printing.
- Functional Rotary Mechanism: Mimics the real motion of a rotary engine.
- Durable and Portable: Perfect for your keyring, ready for everyday use.
- Smooth Operation: Enjoy seamless, friction-free spinning with every turn.
- Engaging and Interactive: A fun and satisfying fidget experience for all.
Compact and engineered for tactile satisfaction, this Rotary Engine Fidget Keychain blends functionality with detailed design, making it the perfect conversation starter and pocket companion.
License
You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.









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