For one man, named Richard Hill, 3D printing allowed him to create his very own UAV, a vehicle inspired by his liking for Apache helicopters. Hill, a 30-year-old man who loves to build and design things in his free time, set out to create his very own Apache themed quadcopter. Files are available on Thingverse via the source article link below. Source: http://3dprint.com/43891/3d-printed-apache-quad/