qmk_firmware_custom/keyboards/snagpad/snagpad.h

#pragma once

#include "quantum.h"

#define LAYOUT_ortho_5x4( \
	K00, K01, K02, K03, \
	K10, K11, K12, K13, \
	K20, K21, K22, K23, \
	K30, K31, K32, K33, \
	K40, K41, K42, K43  \
) { \
	{ K00,   K01,   K02,   K03 }, \
	{ K10,   K11,   K12,   K13 }, \
	{ K20,   K21,   K22,   K23 }, \
	{ K30,   K31,   K32,   K33 }, \
	{ K40,   K41,   K42,   K43 }  \
}
#define LAYOUT_numpad_5x4( \
	K00, K01, K02, K03, \
 	K10, K11, K12,      \
  K20, K21, K22, K13, \
 	K30, K31, K32,      \
  K40,      K42, K33  \
) { \
	{ K00,   K01,   K02,   K03 }, \
	{ K10,   K11,   K12,   K13 }, \
 	{ K20,   K21,   K22,   KC_NO }, \
	{ K30,   K31,   K32,   K33 }, \
 	{ K40,   KC_NO, K42,   KC_NO }  \
}