For multi-colour 3D printing, a regular dual extruder 3D printer, one which encompasses a one mount for the dual nozzles, is ok. But don’t expect it for being as speedy as only one extruder 3D printer, considering the extra fat about the print head has an effect on the print https://martingasiz.is-blog.com/36001072/5-simple-statements-about-multicolored-3d-printer-explained