Matthew Davis’ Arcus is officially the most impressive thing we’ve ever seen come out of a 3D printer. Sure, cheap prosthetics
and replacement body parts are important uses of the technology, but this spinning rubber band blaster is what finally makes us want to put a 3D printer on our desks.
Source: Gizmodo – 3D-Printed Gatling Gun Fires 48 Rubber Bands in Mere Seconds