For multi-colour 3D printing, an everyday twin extruder 3D printer, one which includes a one mount for the dual nozzles, is good enough. But don’t expect it for being as rapidly as only one extruder 3D printer, looking at the additional fat over the print head impacts the print speed. https://new-love-boat-series93218.digitollblog.com/29597925/detailed-notes-on-multicolored-3d-printer