Bambu Lab Front Glass Door The purpose of the front glass door is to keep the inside of the printer closed to protect the printing process while insulating the enclosure for high temperature printing. Installation The P1S and X1C use the same specification for the front glass door. If you want to install a front glass door on P1P, you need to install the front door mounting kit and replace the front cover of the P1S (filling the gap) at the same time. Related WIKI links are available: Front Glass Door installation tutorial In the Box Front Glass Door 1 pcs Screws 4 pcs Compatibility X1 Series and P1S.