qmk_firmware/keyboards/kmac_pad/info.json

{
  "keyboard_name": "KMAC PAD",
  "maintainer": "talsu",
  "width": 4,
  "height": 6.5,
  "layouts": {
    "LAYOUT": {
      "layout": [
        {"label":"K00", "x":3, "y":0},

        {"label":"K10", "x":0, "y":1.25},
        {"label":"K11", "x":1, "y":1.25},
        {"label":"K12", "x":2, "y":1.25},
        {"label":"K13", "x":3, "y":1.25},

        {"label":"K20", "x":0, "y":2.25},
        {"label":"K21", "x":1, "y":2.25},
        {"label":"K22", "x":2, "y":2.25},
        {"label":"K23", "x":3, "y":2.25, "h":2},

        {"label":"K30", "x":0, "y":3.25},
        {"label":"K31", "x":1, "y":3.25},
        {"label":"K32", "x":2, "y":3.25},

        {"label":"K40", "x":0, "y":4.25},
        {"label":"K41", "x":1, "y":4.25},
        {"label":"K42", "x":2, "y":4.25},
        {"label":"K43", "x":3, "y":4.25, "h":2},

        {"label":"K50", "x":0, "y":5.25, "w":2},
        {"label":"K52", "x":2, "y":5.25}
      ]
    }
  }
}