For multi-coloration 3D printing, a regular dual extruder 3D printer, one that includes a single mount for the dual nozzles, is ok. But don’t hope it to generally be as rapid as only one extruder 3D printer, considering the additional body weight around the print head impacts the print pace. https://singles-cruise83714.blog-ezine.com/29773375/facts-about-multicolored-3d-printer-revealed