3D printing could make custom medical devices and car parts— not to mention shoes that fit just right.

3D printing

3D printers will be used to make airplane or car parts that are stronger and yet lighter than ones used today, helping to reduce fuel consumption. He also wants to make it possible to rapidly print custom shoe soles, fitted to the quirks of individual arches, and place printers in operating rooms to generate stents matched to patients’ arteries.