For multi-shade 3D printing, a regular dual extruder 3D printer, one which encompasses a solitary mount for the dual nozzles, is good enough. But don’t assume it to become as fast as one extruder 3D printer, considering the additional excess weight around the print head influences the print velocity. four. https://tysonvzegi.blogolize.com/multicolored-3d-printer-an-overview-69021800