Hackaday (unofficial) December 25, 2023 4:00pm Is This 3D Printed Third Arm Useful? Maybe? #wearablehacks #arm #thirdarm #hackaday posted by pod_feeder_v2 Is This 3D Printed Third Arm Useful? Maybe? Humans have two arms, and we do pretty good things with them. More is surely better, though, right? With that in mind, [Emily The Engineer] set out to make a third arm for popular YouTuber [This Ol…