{
    "variants": {
        "": [
            { "model": "minecraft:block/bookshelf", "weight": 10 },
            { "model": "minecraft:block/bookshelf", "y": 180, "weight": 10 },
            { "model": "minecraft:block/bookshelf1", "weight": 1 },
            { "model": "minecraft:block/bookshelf1", "y": 180, "weight": 1 },
            { "model": "minecraft:block/bookshelf2", "y": 90, "weight": 1 },
            { "model": "minecraft:block/bookshelf2", "y": 270, "weight": 1 }
        ]            
    }
}
