Cooling Fan
thingiverse
The base accommodates a 20mm diameter DC motor, yet its size can be modified via the OpenSCAD script. This project is still in development; the lightweight plastic fails to counterbalance the motor's pull, but potentially functions as a mini propeller (test video: http://www.vimeo.com/8199151). Currently, it serves as a cooling/exhaust fan that remains stationary when fastened or using a 9V battery version - the battery's weight keeps it in place, especially on rubbery surfaces. Please ensure the shaft is secure and the fan is firmly mounted on the motor. If not tight enough, the blades' piece may fly off and cause injury. Test it facing away from you and others for safety.
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