3D Air Pen


Make a Working Quadcopter Propeller with a 3D Printing Pen

If you thought 3D printing pens were just interesting toys, here’s something that might change your mind, a freehand 3D printed quadcopter propeller. The way it was made was quite interesting, and would be tough, if not impossible to duplicate with a “traditional” 3D printer. The surface of the original blade was simply traced with […]

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