qmk-firmware/keyboards/keycapsss/plaid_pad/keymaps/default
..
config.h
keymap.c
readme.md

Default Plaid-Pad Layout

This is the default layout that comes flashed on every Plaid-Pad.
The upper left (7) and right (/) switch, can be replaced by a rotary encoder. They do "Up Arrow" (KC_UP) and "Down Arrow" (KC_DOWN).
Encoder with build-in switch are supported.