Holecover that covers hole on top of the bambu p1 series printers. This design keeps smooth design and is stiff in place.
Update:
Model has been modified for better tolerance. Now is easier to put on / take off the cover.
The author remixed this model.

This model have the top (visible) part from bambu lab nerd's clean design, and bottom part from michelem's model that keep the cover stiff in place.