qmk_firmware/keyboards/mountainblocks/mb17/info.json

{
    "keyboard_name": "MB17", 
    "url": "", 
    "maintainer": "qmk", 
    "layouts": {
        "LAYOUT_numpad_5x4": {
            "layout": [{"x":0, "y":0}, {"x":1, "y":0}, {"x":2, "y":0}, {"x":3, "y":0}, {"x":0, "y":1}, {"x":1, "y":1}, {"x":2, "y":1}, {"x":0, "y":2}, {"x":1, "y":2}, {"x":2, "y":2}, {"x":3, "y":1, "h":2}, {"x":0, "y":3}, {"x":1, "y":3}, {"x":2, "y":3}, {"x":0, "y":4, "w":2}, {"x":2, "y":4}, {"x":3, "y":3, "h":2}]
        }
    }
}