Handheld fan (one-handed whirlwind), small wind comes to beat me
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Description
After three upgrades, this fan boasts the greatest airflow and is easily operated with one hand. It only requires a simple rubber band—a household staple—delivering impressively powerful airflow. Compare it yourself! The tolerances are perfectly matched, requiring no lubrication; it's incredibly smooth right out of the box. Assembly is simple, we're confident you'll master it quickly. It requires almost no supports. The principle is shown in the figure below:

If you like it, please boost me!
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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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