For multi-shade 3D printing, an everyday dual extruder 3D printer, one which includes a solitary mount for the twin nozzles, is ok. But don’t be expecting it to become as quick as a single extruder 3D printer, looking at the additional bodyweight on the print head impacts the print speed. https://rivergzqix.shotblogs.com/5-simple-statements-about-multicolored-3d-printer-explained-43765177