For multi-color 3D printing, a regular dual extruder 3D printer, one which encompasses a single mount for the dual nozzles, is good enough. But don’t hope it to become as fast as a single extruder 3D printer, contemplating the additional excess weight about the print head impacts the print speed. https://bookmarkja.com/story19703888/multicolored-3d-printer-things-to-know-before-you-buy