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First written account of a working 3D printer

First written account of a working 3D printer
Who
Hideo Kodama
What
First
Where
Japan
When
1981

In 1981, Hideo Kodama (Japan) from the Nagoya Municipal Industrial Research Institute published a paper that illustrated a method that could be used to print objects in 3D. His idea used photopolymers to create a solid object built up in layers, with each layer corresponding to a cross-section slice through the object.

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