This is a battery cover for the Logitech M575 trackball mouse.
I couldn't get warranty support for the lost cover, so I made a 3D model of it.
If you have lost your battery cover as well, this should help.
Printer Brand:
Creality
Printer:
Ender 3
Rafts:
No
Supports:
No
Resolution:
200
Infill:
15