The Enable Community Foundation, which provides support to the greater e-NABLE community, has announced a design challenge for the creation of 3D printed terminal devices. A terminal device is the portion of a prosthetic arm that acts as a hand, but it's rare for a single prosthetic hand to be able to perform all tasks equally well. Therefore, it's helpful to have several interchangeable terminal devices for different tasks, and the Enable Community Foundation wants you to design some that are specifically oriented toward sports. Read more and learn how to enter at 3DPrint.com: http://3dprint.com/124588/enable-community-challenge/