![]() The first patent for a process called a Liquid Metal Recorder dates to the 1970s, but the idea is much older. What technology is 80 years old in theory, 40 years old in practice, and looks brand new? Believe it or not, it’s 3D printing.Īlthough the craze for desktop 3D printers began around 2010, when companies like MakerBot made investors and the media salivate, those in manufacturing know that the process-applying material onto a substrate to build up an object from a digital 3D design-goes back much further. ![]()
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