LONGER LK5 PRO FDM 3D Printer

 【90% Pre-assembled with Stable Triangular Structure】LONGER LK5 Pro is a large affordable 3d printer with 90% Pre-assembled, printing size of 300*300*400mm; With dual inlinced rods to hold z axis as a steady triangular structure for better quality of 3d printing. And it's 90% preassembly in factory before delivery, which will be easier to assemble together and save more time. 【Quiet Printing and Open source】The LK5 PRO is integrated with 3kits of TMC2208 chipsets for X / Y / Z axis for quiet printing, of which will be reduced less nosie from motor.  Developed with open sources mainboard for LK5 PRO, it will be easier for you to add an optional spare parts onto the 3d printer, such as BLTouch for auto levelling or upgrade with Marlin 2.X version for beta test.  【4.3inch Full Color Touch Screen】 This fdm 3d printer is built with 4.3inch full-color touch screen and integrated with better friendly user interface for better interaction with printer, simple operation and easy approach to c