This is a spacer for xTouch enclosure from TeachingTech @TeachingTech
https://www.printables.com/model/611634-xtouch-enclosure-for-bambu-lab-p1ps
it added more space behind the control monitor along with a designated hole for routing the USB cable to the back to use the USB port for power source.
add-on locking mechanism for the spacer, it will keep it in place.
https://makerworld.com/en/models/137655#profileId-149831
Modified enclosure
remix xTouch enclosure added slot for stylus for P1P and P1S Remixed by johnstylez - MakerWorld