The first 3D printer, which used the stereolithography technique, was created by Charles W. Hull in the mid-1980s. It costed $100,000 or even more. one little black eye wash cup was the first object to be successfully 3D printed. Today the 3D printer is used for many more things for example, models, car parts, even guns. 3D printing is something that many people use today like engineering or people in NASA.
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