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And our nascent dynamic fabricator pipelines? Robo-knitting definitely by 2040?

Computer controlled knitting machines already exist. I doubt if it will take 28 more years before someone figures out how to connect a computer with design software up to a computer controlled knitting machine.

It has, in fact, been done. http://learn.adafruit.com/electroknit

I have a knitting machine that is programmable (with punch cards). It's not exactly computer controlled, but it is pretty awesome.

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