For multi-colour 3D printing, a regular twin extruder 3D printer, one which contains a single mount for the twin nozzles, is ok. But don’t expect it to be as fast as an individual extruder 3D printer, contemplating the extra body weight on the print head impacts the print velocity. Powder https://martinghcxp.bloguerosa.com/29012889/detailed-notes-on-multicolored-3d-printer