{
    "variants": {
        "half=bottom": [ { "model": "half_slab_acacia", "weight": 2 },
                         { "model": "half_slab_acacia_1" },
                         { "model": "half_slab_acacia_2" }
                       ],
        "half=top": [ { "model": "upper_slab_acacia", "weight": 2 },
                      { "model": "upper_slab_acacia_1" },
                      { "model": "upper_slab_acacia_2" }
                    ]
    }
}
