3D printing socks isn’t really a thing yet. You’d end up with scratchy plastic garments that irritate your feet no end. You can easily 3D print all kinds of nifty little mechanisms, though, so why not ...

California, Arizona, Georgia. Missouri, Minnesota, Connecticut. Canada, the U.K., Holland. It’s 9 a.m. on a Friday morning, and Jamie Mayfield is connecting with people from across the country and ...