appRobotVideoControls/data/settings/settingsBoard.json

{   "coordinateSystem":{
        "MarkersUsed":"DICT_4X4_250",
        "KnownMarkers":
        {
            "50": [0.0, 0.0, 0.0],
            "71": [0.140, 0.0, 0.0],
            "101": [0.0, -0.080, 0.0]
        }
    }
}