Affordable 3D-printed bionic arm uses muscle signals to move

Kurt Knutsson discusses how the Hero PRO, a wireless, waterproof bionic arm with fast control and full 360-degree wrist rotation, transforms prosthetics. Bionic arms used to cost more than a new car. Unlimited Tomorrow is making 3D-printed prosthetics available for under 8,000 and doing it without sacrificing quality, comfort or functionality. Easton LaChappelle founded the company in 2014 at the age of 18. His simple goal was to give more people access to advanced prosthetics that actually fit their lives.