Frankie Flood, professor at the University of Wisconsin Milwaukee (UWM), is working on "Next Step" with help of three of UWM students. Next Step is a project that involves the creation of a 3D printable prosthetic leg covering to restore anatomical shape of the affected limb, to be customizable and to be 3D printable specifically for Veterans that intend to have leg prosthetic designed according to their personality.
Source: http://enablingthefuture.org/2016/03/23/e-nabling-next-step-prosthetc-leg-coverings/