3D Printers were first invented in the 1980s to create artworks in plastic. But now, they also make things like titanium Ball joints and stuff like this for hip replacements

Ball joints are created through a scintering process with lasers using powdered titanium.

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1980s

Who Invented 3D Printing? The first 3D printer, which used the stereolithography technique, was created by Charles W. Hull in the mid-1980s.

3D Printing: What You Need to Know | PCMag

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