{
    "variants": {
        "normal": [ 
            { "model": "built/bookshelf", "weight": 1 },
            { "model": "built/bookshelf2", "weight": 1 },
            { "model": "built/bookshelf3", "weight": 1 },
            { "model": "built/bookshelf4", "weight": 1 }
        ]
    }
}
