3D printing a functional prosthetic device, especially one with robotic capabilities, isn't the easiest task in the world, so four students from an engineering college in Bangalore, India had a challenge ahead of them when they decided to 3D print a robotic prosthetic arm for their final project. With help from local company Fracktal Works, however, they designed and 3D printed the device and coded it with 12 different gestures. Read more at 3DPrint.com: http://3dprint.com/184382/fracktal-w...d-printed-arm/