The Crowdcow is a vivid example of 3D printing's ability to convey educational concepts in a concrete, understandable way that utilizes more of our senses. It allows one to literally capture his or her imagination. Many firms have asked RapidMade to help them educate clients, patients and students with hand-held replicas of body parts, industrial equipment and commercial products. The life-sized cow? That was "utterly" fun .