VIDEO: Inside a World-Leading 3D Printing Factory

Since the inception of 3D printing in the early 1980s, mass production has been viewed as the technology’s holy grail. But for more than a decade, while other companies have teased the possibility of full-production 3D printing of sneakers, eyeglasses, toys and other objects, Switzerland-based Sonova, the world’s leading hearing care solutions provider, has quietly been doing it.