Recycling 3D filament is a great idea in theory, and we come across homemade filament extruders with some regularity, but they do have some major downsides when it comes to colored filaments. If you ...
IEEE Spectrum on MSN
A new way to spray paint color
Dial up hues with this Arduino-powered, on-demand spray-can mixer ...
You might not have noticed if you’re not a digital artist, but most painting and image apps still get color mixing wrong. As we all learned in kindergarten, blue paint and yellow paint makes green ...
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