qmk_firmware/layouts/default/64_ansi/info.json

{
    "keyboard_name": "60% 64-key ANSI Layout",
    "url": "",
    "maintainer": "qmk",
    "layouts": {
        "LAYOUT_64_ansi": {
            "layout": [
                {"x":0, "y":0},
                {"x":1, "y":0},
                {"x":2, "y":0},
                {"x":3, "y":0},
                {"x":4, "y":0},
                {"x":5, "y":0},
                {"x":6, "y":0},
                {"x":7, "y":0},
                {"x":8, "y":0},
                {"x":9, "y":0},
                {"x":10, "y":0},
                {"x":11, "y":0},
                {"x":12, "y":0},
                {"x":13, "y":0, "w":2},

                {"x":0, "y":1, "w":1.5},
                {"x":1.5, "y":1},
                {"x":2.5, "y":1},
                {"x":3.5, "y":1},
                {"x":4.5, "y":1},
                {"x":5.5, "y":1},
                {"x":6.5, "y":1},
                {"x":7.5, "y":1},
                {"x":8.5, "y":1},
                {"x":9.5, "y":1},
                {"x":10.5, "y":1},
                {"x":11.5, "y":1},
                {"x":12.5, "y":1},
                {"x":13.5, "y":1, "w":1.5},

                {"x":0, "y":2, "w":1.75},
                {"x":1.75, "y":2},
                {"x":2.75, "y":2},
                {"x":3.75, "y":2},
                {"x":4.75, "y":2},
                {"x":5.75, "y":2},
                {"x":6.75, "y":2},
                {"x":7.75, "y":2},
                {"x":8.75, "y":2},
                {"x":9.75, "y":2},
                {"x":10.75, "y":2},
                {"x":11.75, "y":2},
                {"x":12.75, "y":2, "w":2.25},

                {"x":0, "y":3, "w":2},
                {"x":2, "y":3},
                {"x":3, "y":3},
                {"x":4, "y":3},
                {"x":5, "y":3},
                {"x":6, "y":3},
                {"x":7, "y":3},
                {"x":8, "y":3},
                {"x":9, "y":3},
                {"x":10, "y":3},
                {"x":11, "y":3},
                {"x":12, "y":3},
                {"x":13, "y":3},
                {"x":14, "y":3},

                {"x":0, "y":4, "w":1.25},
                {"x":1.25, "y":4, "w":1.25},
                {"x":2.5, "y":4, "w":1.25},
                {"x":3.75, "y":4, "w":6.25},
                {"x":10, "y":4},
                {"x":11, "y":4},
                {"x":12, "y":4},
                {"x":13, "y":4},
                {"x":14, "y":4}
            ]
        }
    }
}