{
"target": "charuco1",
"type": "charuco",
"shapes": [
    {
    "shape": "charuco",
    "squares_x": 14,
    "squares_y": 9,
    "square_length": 40,
    "marker_length": 30,
    "margin_size": 20,
    "aruco_dict_name": 6,
    "width": 600,
    "height": 400,
    "x": -20,
    "y": -20,
    "dpi_factor": 5
}
]
}