Germany-based chemical engineer Britt Michelsen has made a 3D printed double pendulum fidget spinner that she says is extremely addictive to play with. The 3D printed spinner was a Runner Up in the Instructables Fidget Spinner Design Contest. The fidget spinner craze may be dying down, sending the bearing-assisted toys to a quiet retirement alongside […]
Source: The 3d printers sourcefrom The 3d printers source http://ift.tt/2f6G6Vw
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