For multi-colour 3D printing, a regular dual extruder 3D printer, one which includes a solitary mount for the twin nozzles, is ok. But don’t count on it being as speedy as one extruder 3D printer, contemplating the extra pounds within the print head has an effect on the print speed. https://garagedoorrepaircompanymi70156.blogginaway.com/30275101/multicolored-3d-printer-fundamentals-explained