For multi-color 3D printing, an everyday twin extruder 3D printer, one that includes a single mount for the dual nozzles, is adequate. But don’t count on it to become as speedy as one extruder 3D printer, taking into consideration the additional pounds over the print head influences the print velocity. https://2145668.onesmablog.com/detailed-notes-on-multicolored-3d-printer-69995609