Recycling 3D filament is a great idea in theory, and we come across homemade filament extruders with some regularity, but ...

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 ...

As they grow older, their curiosity may pique, making them wonder, how exactly are colors mixed together? For fun, they may begin to experiment by mixing all the paint colors or just one or two ...