We want to make it easy for ordinary people, especially children, to design and manufacture three-dimensional models using planar components as an entrée to learning to design. We believe that the experience of designing and making things is a powerful vehicle for learning. For many people, designing and making something can be rewarding and engaging, and, we think, can motivate more general learning in science, technology, engineering, and mathematics. Further, we think that in its own right, designing is an intellectual capacity that, once acquired in one domain, can be widely applied. Sadly, many people view design as an innate.