For multi-color 3D printing, a daily twin extruder 3D printer, one which features a single mount for the dual nozzles, is ok. But don’t assume it for being as fast as only one extruder 3D printer, thinking about the additional excess weight around the print head influences the print speed. https://donovan67r76.frewwebs.com/30336502/the-single-best-strategy-to-use-for-multicolored-3d-printer