{
  "variants": {
    "type=top": {
      "model": "rankine:block/smooth_black_sandstone_slab_top"
    },
    "type=bottom": {
      "model": "rankine:block/smooth_black_sandstone_slab"
    },
    "type=double": {
      "model": "rankine:block/smooth_black_sandstone"
    }
  }
}