This is the shell for the 4x4 macropad called Ampere Pad, programmed with QMK.

Lettering can be just printed and glued.
Bracket need to be flipped in the slicer.

Note: knobs are not included, you can use any model that would fit your specific encoder.

Source: https://github.com/marco-silvestri/amperepad
More on: www.silvestri.cloud/blogs

Creality

Ender-3 S1 Pro

No

No

0.28

20