A few years back, I briefly mentioned The Arcus, A 3D-Printed Rubber Band Gatling Gun. Since the original video was taken down or otherwise made unavailable, I’d say it’s worth a revisit.
As the title states, The Arcus is a rubber band Gatling gun, made with 3D-printed components. It fits over the forearm and is capable of discharging 48 rubber bands in seconds. Impressively, the gun has no external firing mechanism, aside from the initial trigger pull, as it’s powered entirely by the energy from the rubber bands that it shoots.
What’s also impressive is the design: the Arcus requires no adhesive or fasteners to construct; all the parts snap together, and it can freely and repeatedly be taken apart and reassembled. The parts themselves are designed to be printed without any supports, and all fit on a 200mm x 200mm print bed.
So, if you have an appropriate 3D printer, or access to one, and are looking for a cool new project that involves the rapid discharge of projectiles, then you may want to give The Arcus a try.
The full instructions and part files can be found at the link below:
www.instructables.com/id/The-Arcus-Fully-3D-Printed-Rubber-Band-Gatling-Gun