For multi-coloration 3D printing, a daily twin extruder 3D printer, one which includes a one mount for the twin nozzles, is sufficient. But don’t count on it to get as quick as only one extruder 3D printer, thinking of the additional weight around the print head impacts the print speed. https://cat-toys61273.ampblogs.com/5-simple-statements-about-multicolored-3d-printer-explained-66475172