Hunchback-Fin Fan

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The engineering is straightforward, focusing on polygon modeling rather than complex designs. The customization options are limited to Cinema 4D. One challenge remains: finding a suitable copter motor with dual-sided shafts. The ultimate goal is to create a push-pull impeller tornado beast. The current model boasts an outer diameter of 117.5mm, based on a PC fan design. A hand-crank prototype features an 8mm shaft hole. The design is scalable, but be cautious when generating G-code. Future updates include adding winglets and refining the bumps into 3D shapes for the next prototype. Printing upside down is recommended.