3D printing: the new, bottom-up industrial revolution - Telegraph It's not just manufacturers that need to worry, it's innovators too. We will be able to 'rip' physical things like we did music. iPhones and computers will get printed illegals on mass. It will upset many industries. The new technique is to use spray on metals that builds components more robustly than they could be made by being screwed together. The real king on the hill will be the firm that owns the stuff that make the brave new world. China can't like the look of what's coming.