No longer use the patio umbrella or it is broken? Your center plug to fill in the hole missing? Print and use this to neatly fill in the hole. If this is not an exact match or it is loose or too big, just scale it on the X and Y axes in in your slicer.
Printer Brand:
Creality
Printer:
Ender 3
Rafts:
No
Supports:
No