{
  "variants": {
    "type=bottom": {
      "model": "netherexp:block/smooth_netherrack_slab"
    },
    "type=double": {
      "model": "netherexp:block/smooth_netherrack"
    },
    "type=top": {
      "model": "netherexp:block/smooth_netherrack_slab_top"
    }
  }
}