qmk_firmware/keyboards/handwired/freoduo/freoduo.h

#pragma once

#include "quantum.h"

#define LAYOUT( \
	L00, L01, L02, L03, L04, L05, R00, R01, R02, R03, R04, R05, \
	L10, L11, L12, L13, L14, L15, R10, R11, R12, R13, R14, R15, \
	L20, L21, L22, L23, L24, L25, R20, R21, R22, R23, R24, R25, \
	L30, L31, L32, L33, L34, L35, R30, R31, R32, R33, R34, R35, \
	L40, L41, L42, L43, L44,           R41, R42, R43, R44, R45  \
	) \
	{ \
		{ L00,   L01, L02, L03, L04, L05  }, \
		{ L10,   L11, L12, L13, L14, L15  }, \
		{ L20,   L21, L22, L23, L24, L25  }, \
		{ L30,   L31, L32, L33, L34, L35  }, \
		{ L40,   L41, L42, L43, L44, KC_NO}, \
		{ R00,   R01, R02, R03, R04, R05  }, \
		{ R10,   R11, R12, R13, R14, R15  }, \
		{ R20,   R21, R22, R23, R24, R25  }, \
		{ R30,   R31, R32, R33, R34, R35  }, \
		{ KC_NO, R41, R42, R43, R44, R45  }  \
	}