This will fit Chery MX Keys and wired to a Raspberry Pi Pico board so that you can have 12 keys used either as a Stream Deck or Mini Macro Keyboard.
This is a Remix of:
https://www.thingiverse.com/thing:2822140
I wanted to make the RaspberryPi Pico fit but keep the cable entry at the back so needed to make the box deeper and added a 3rd row of buttons in the process.
I have printed this on my Mk3S using Prusa PLA Galaxy Black.
No special instructions I printed at
These worked well for me.
The author hasn't provided the model origin yet.