Large 3d Printer, JGAURORA 3D Printers A8 Extreme Accuracy Large Build Size 350x250x300mm Fully Closed Metal Structure Dual Motor Feeding Commercial Grade FDM Desktop 3d Printing Machine ABS PLA TPU Reliable Material : Commercial grade 3d printer industrial linear guildway precise ball screw rods.metal structure with cover Large building size :13.78x9.8x11.8in ,lots of printing material ABS PLA TPU WOOD filament 1.75mm Clean and neat structure :Fully closed metal structure with creative and friendly metal extruder cover ,precise CNC components Easy Filament Feeding :Dual feeding motor,filament feeding auto and easily HBG glass heating bed tigh adhesion easy to take off when cooling down