New top story on Hacker News: Ask HN: Why did consumer 3D printing take so long to be invented?

Ask HN: Why did consumer 3D printing take so long to be invented?
27 by superconduct123 | 56 comments on Hacker News.
"Today I saw an old paper printer, it has all the pieces for 3D printing except the plastic. Computer sends it data, it moves in 1D to print the image on paper using ink. A 3D printer is just 3 of these moving pieces from a paper printer with a melting plastic and thin pipe and software to connect it all. All the pieces existed to make a working 3D printer existed even in 1970! and relatively cheaply. So why has it taken so long for [at home] 3D printing to actually become a thing? Is it because of the internet somehow? Did just no one care in the 1970-2010s? Like there aren't even prototypes from 1970 from garage hobbyists for 3D printing. What was wrong?!" - omgsoftcats

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