For multi-shade 3D printing, a daily twin extruder 3D printer, one which includes a solitary mount for the dual nozzles, is good enough. But don’t hope it to become as fast as only one extruder 3D printer, looking at the extra bodyweight within the print head impacts the print velocity. https://davidp591dvo8.losblogos.com/29242152/detailed-notes-on-multicolored-3d-printer