CMYK (short for cyan, magenta, yellow, and key (black), and often referred to as process color or four color) is a subtractive color model, primarily used in color printing. The major difference is ...

Rather than mounting a second extruder, however, there’s a inkjet printer head delivering CMYK water-based inks ... We’ve seen other approaches to the color 3D printing issue before, too.

Separating a picture by colors in order to make negatives and plates for color printing. The four-color process requires four separations: cyan, magenta, yellow and black (CMYK). See OPI and DCS.