This is a small macropad called “Pikku”. It's powered by Raspberry Pi Pico and coded with CircuitPython. See more info https://codeof.me/pikku-raspberry-pi-pico-powered-macropad
Macropad consists of three components. All components can be printed without support and you can snap-fit them together without glue or screws.
The author marked this model as their own original creation.