This is a remix of https://www.thingiverse.com/thing:4654126

It is build from scratch and fits a thicker (22 mm) Intenso 2,5" 1,5 TB HDD.
The holes are for 4 mm counter sunk screws.

Creality

Ender 3

No

Yes

0,2

20

Print in the orientation you will mount it to the wall.
This way you will only need a minimum of support. If any.