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When were 3d printers invented?beta

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When were 3d printers invented?

by KnowCollector on ‎08-26-2015 04:37 AM - edited on ‎05-24-2016 07:53 AM by (459 Views)

Question

When were 3d printers invented?

Answer

3D printing is an additive technology in which objects are built up in a great many very thin layers. The first commercial 3D printer was based on a technique called stereolithography. This was invented by Charles Hull in 1984. He was pretty smart.