I was looking foor a SD card holder to fit on my Ender 3v2 but i dit not found something i liked. So i created something that should fit in the place where the end cap is. It fits perfectly in the four holes.

360°: https://spinzam.com/shot/embed/?idx=239141

Creality

Ender 3 Pro

No

Yes

0.16

25%

Material: PLA
Slicer: Cura 4.7.1
Settings: Standard quality - Shell: Enable ironing

Info: The best way to print it is to place the mode vertically (see pictures), then you will have minimal supports and it is easy to remove them.