qmk_firmware/keyboards/percent/booster/info.json

{
    "keyboard_name": "booster",
    "url": "",
    "maintainer": "qmk",
    "width": 4,
    "height": 5,
    "layouts": {
        "LAYOUT_numpad_5x4": {
            "key_count": 17,
            "layout": [
                {"label":"K00 (D1,C7)", "x":0, "y":0},
                {"label":"K01 (D1,D4)", "x":1, "y":0},
                {"label":"K02 (D1,D2)", "x":2, "y":0},
                {"label":"K03 (D1,D0)", "x":3, "y":0},
                {"label":"K10 (D6,C7)", "x":0, "y":1},
                {"label":"K11 (D6,D4)", "x":1, "y":1},
                {"label":"K12 (D6,D2)", "x":2, "y":1},
                {"label":"K20 (D7,C7)", "x":0, "y":2},
                {"label":"K21 (D7,D4)", "x":1, "y":2},
                {"label":"K22 (D7,D2)", "x":2, "y":2},
                {"label":"K23 (D7,D0)", "x":3, "y":1, "h":2},
                {"label":"K30 (B4,C7)", "x":0, "y":3},
                {"label":"K31 (B4,D4)", "x":1, "y":3},
                {"label":"K32 (B4,D2)", "x":2, "y":3},
                {"label":"K40 (B5,C7)", "x":0, "y":4, "w":2},
                {"label":"K42 (B5,D2)", "x":2, "y":4},
                {"label":"K33 (B4,D0)", "x":3, "y":3, "h":2}
            ]
        }
    }
}