The Formbot T Rex is a large size dual extruder laser engraving 3D printer. It has a super large build size, which can print a massive 400 x 400 x 450 mm exactly, to meet your unlimited demand for space. With its optimized extruder structure and its super magnetic base, the 4 sets of extruder kits can be switched quickly. It is extremely stable, which can handle more than 300hrs continuous working time, which won't choke nozzle, and make the printing process unobstructed. It's high temperature extruder can reach as high as 350 degrees which allows the printer to work with hard to extrude materials like PEEK, carbon fiber, metal fill and so on filament.The Formbot T Rex is available from 3D Printers Online Store. Read more at 3DPrint.com: https://3dprint.com/135625/formbot-t-rex-3dpos/