{ "index": { "type_name": "default", "entity": "UPB_00000021", "label": "25" }, "part_level": { "part_name": "Center Rail E", "affordance": 9, "graspable": false, "basic_description": "Another mid-height steel rail mounted to the interior frame.", "functional_description": "Pairs with other rails to steady drawer movement.", "movement_description": "Fixed.", "grasp_description": "Hidden hardware." }, "basic_info": { "material": "wood/Plywood_Veneer", "density": 0.6, "young": 9.5, "hardness": 25, "poisson": 0.35, "friction": 0.5 }, "kinematic_info": { "motion_types": [ "D" ], "motion_info": {} } }