Anycubic Chiron top Z-axis support and cover

This is done that the printer is ready for a diagonal support for the upper frame. The stock plastic cover restricted access to the corner and requires a replacement cover when adding a diagonal support. This also solves the rattling issue on the upper Z-axis screw rod of the Anycubic Chiron. This design is snug fit, barely no clearance on the groove that it does not require any screws. You have to remove the upper horizontal frame to install this or remove the Z-axis screw rod that you can inse