{
    "index": {
        "type_name": "default",
        "entity": "UPB_00000477",
        "label": "2"
    },
    "part_level": {
        "part_name": "Main Frame and Shelves",
        "affordance": 7,
        "graspable": false,
        "basic_description": "Structural plywood bookshelf frame with multiple open shelves and a central compartment; overall about 90*35*180 cm with integrated wood tracks for door and runners for drawers.",
        "functional_description": "Provides structural support, houses shelves for storage, guides the sliding door, and supports two drawers.",
        "movement_description": "Acts as the fixed reference for all movable parts: the door translates along built-in tracks and drawers slide on runners relative to this frame.",
        "grasp_description": "Usually not grasped directly except when moving the unit."
    },
    "basic_info": {
        "material": "wood/Plywood_Walnut_Veneer",
        "density": 0.65,
        "young": 4.5,
        "hardness": 35,
        "poisson": 0.33,
        "friction": 0.5
    },
    "kinematic_info": {
        "motion_types": [
            "D"
        ],
        "motion_info": {}
    }
}