With the conflict in the Middle east between Israelis and Arabs, you wouldn't expect them to be working together on anything. With that said, one organization called TOM saw over 120 people gather, including Arabs and Israelis to construct new gadgets for the disabled. One such gadget was a 3D printed robotic arm which allowed a paraplegic man to pick objects up, and take pictures, all controlled with a mouth mouse. The full story along with more images and videos can be found here: http://3dprint.com/13085/3d-print-mechanical-robot-arm/

Check out one image of the mechanical arm which was 3D printed below: