(Image credit: Tom's Hardware) Prusa Research has announced a new open-source ColorMix engine for both PrusaSlicer and its web-based EasyPrint slicer, joining Snapmaker and Bambu Lab in the race to see who can best implement “Full Spectrum” color printing. Prusa Research recently went into detail on its development in a video and blog post . (Image credit: Prusa) Full Spectrum is a method of visually blending FDM filaments to create an endless color palette. The technique is gaining popularity with the rise of toolchangers and similar multimaterial 3D printers. The method works best when you print at ultra-thin layer heights, which toolchangers can achieve with relative speed and minimal waste. We doubt that color mixing will replace having individual spools of precise color anytime soon. Besides the extra time, Full Spectrum colors can exhibit rather obvious banding, especially when using opaque materials. But it can create subtle shades and hues that are otherwise difficult to find.…