4020 Turbine Fan
thingiverse
A standard 40x20 Fan design, perfect for printing with clear PETG. To assemble this fan, you'll need to remove the plastic tube in the middle of the stator that holds the bearings using a Dremel tool. Next, press fit the tube into the printed fan body, securing it with a small amount of super glue. The tube is too thin to print successfully on its own, so be sure to adjust the hole size in the fan body to accommodate the bearing tube for your specific fan model. I used a WINSINN fan and replaced the brass spacer with bearings for optimal performance.
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