qmk_firmware/keyboards/z12/info.json

{
    "keyboard_name": "z12",
    "url": "https://github.com/zigotica/mechanical-keyboards/tree/main/z12",
    "maintainer": "@zigotica",
    "layouts": {
        "LAYOUT": {
            "layout": [
                {"x": 1, "y": 0},
                {"x": 2, "y": 0},

                {"x": 0, "y": 0.5},
                {"x": 1, "y": 1},
                {"x": 2, "y": 1},
                {"x": 3, "y": 0.5},

                {"x": 0.5, "y": 2},
                {"x": 1.5, "y": 2},
                {"x": 2.5, "y": 2},

                {"x": 0.5, "y": 3},
                {"x": 1.5, "y": 3},
                {"x": 2.5, "y": 3},
            ]
        }
    }
}