{
    "contact_points": [
        {
            "id": [0, 1],
            "description": "At the center of the stapler",
            "usage": "Used for grasping the stapler."
        },
        {
            "id": 2,
            "description": "At the pressing point of the stapler",
            "usage": "Used to press down the stapler to staple papers."
        }
    ],
    "functional_points": []
}