3D printing has been used for many great causes, many of which have been discussed here on these forums. Now a High School robotics club is using the technology to help create a Robot Walker for children with Cerebral Palsy. They utilized 3D printing in order to create an exoskeleton that would go on the leg of a child with the disorder. Typical machines like the Robot Walker would cost around $300K - $500K to purchase, but this one will only be a fraction of the cost. Read and see more at: http://3dprint.com/16469/3d-printed-exoskeleton/