We all know that e-NABLE has been creating numerous amounts of 3D printed prosthetic hands for people in need. However, now, lead by Jon Schull, they have created a 3D printed arm for a 9 year old boy, named Derek. It is not entirely 3D printed but the majority of it is. It utilizes a PVC pipe for the boys forearm, which is almost entirely missing. This is just another great example of the great things that e-NABLE has been doing. Read more about this at: http://3dprint.com/5246/e-nable-9-ye...prosthetic-arm