Monoprice 111614 Black Metal Housing Dual Extrusion 3D Printer Join the 3D printing revolution with this Dual Extrusion 3D Printer from Monoprice! 3D printing is the hot ticket now, primarily because it allows you to cheaply produce a design prototype prior to manufacture and, as can be seen from news reports This 3D printer features a dual extrusion head, which allows for two color print jobs. It can use 1.75mm ABS, PLA, and PVA filaments and supports layer thicknesses from 0.1 ~ 0.5 mm The printer comes with two 1kg reels of PLA filament