(Stop Production)Our TL-D3S Dual Nozzle 3D Printer is upgraded from a single-nozzle 3D Printer Kit with a building volume of 300mm*300mm*400mm, which is not reduced but doubles in printing efficiency. It is a pre-assembled 3D Printer Kits that can be easily assembled in less than 5 minutes. It supports Double-Color printing mode, the parameters of the double nozzles can be set separately, such as Temperature, Extruder Speed, Printing Speed, and Infill Density. Even you can use two nozzles of different diameters at the same time. Give you more free DIY space.