Used basic photogrametry to get a bit more accurate shape of the controller in order to make a snug fit for the holder.

Just print it in whatever color you want using 0,28mm layer height, use 3,5mm screws for the wall mount, slide the holder in place and you are done.

Creality

Ender 3

No

No

0.28

15

Printed with glass side up + salt water for adhesion.