Whatever happened to 3D printing?

road-3d-printers1 Sam Cervantes is a quiet-seeming guy who speaks earnestly about his line of work. When I visited his Brooklyn 3D printer factory in 2013, workers in an assembly line were busy putting together Solidoodle printers. An army of assembled printers whirred as they lay down layers of melted plastic to make parts for the next set of machines. Read More