How do two colors mix to make a new color? Answer: Think of light as a wave travelling from one place to another, with different colors produced by variation in the distance between peaks of the ...

The $449 XYZ da Vinci Jr. 2.0 Mix is a low-cost 3D printer with a twist: it can print in two colors, blending them together in the same print. It’s a neat trick, but it comes with some limitations.