Is there any existing technology that takes a variety of filaments of different colors (say a CMYK blend), and then blends them in different ratios to achieve whatever color you want?

I had this thought the either day, and I figure it's either stupid, already exists, or genius.

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[–] 2 points 1 month ago

Welp, I gotta eat my words on this one. Not only is it definitely doable, apparently it's already a thing. I stumbled across this by coincidence just now.

https://reprap.org/wiki/Diamond_Hotend

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