Open-source boards designed in KiCad by TORICA-23th on GitHub, from 5 repositories. A board’s address here is its repository’s there.
TORICA-23th/PCB_AirData
TORICA-23th/PCB_Hub
TORICA-23th/PCB_Joystick
TORICA-23th/PCB_Main
TORICA-23th/PCB_Underside