Rotatable Windmill Wind Turbine with Freely Adjustable Speed
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Description
With a cost of 9.2 yuan, you can make your own desktop windmill with freely adjustable speed. First, you'll need a motor speed controller, an N20 geared motor, a battery box, then simply print my designed windmill model for assembly.
Welding and assembling small parts, each costing a few yuan, to breathe life into them always feels more meaningful than buying finished products for dozens of yuan.
The bill of materials is in the table below

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License
You may create derivative works based on this object, provided that all such derivative works are published exclusively on the MakerWorld platform and include proper attribution to the original creator. You may not share, upload, host, distribute, or publish this object—or any derivative work of this object—on any other digital platform, marketplace, or distribution channel. Commercial use of this object and any derivative works is strictly prohibited. This includes, but is not limited to, selling, renting, sublicensing, or using the object in any context in which you receive monetary compensation or other financial benefits.
















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