{
  "type": "minecraft:random_patch",
  "config": {
    "tries": 12,
    "xz_spread": 1,
    "y_spread": 3,
    "feature": {
      "feature": {
        "type": "minecraft:simple_block",
        "config": {
          "to_place": {
            "type": "minecraft:simple_state_provider",
            "state": {
              "Name": "minecraft:cobweb"
            }
          }
        }
      },
      "placement": [
        {
          "type": "minecraft:block_predicate_filter",
          "predicate": {
            "type": "minecraft:matching_blocks",
            "blocks": "minecraft:air"
          }
        },
        {
          "type": "minecraft:block_predicate_filter",
          "predicate": {
            "type": "minecraft:matching_block_tag",
            "offset": [
                0,
                1,
                0
            ],
            "tag": "minecraft:sculk_replaceable"
          }
        },
        {
          "type": "minecraft:environment_scan",
          "direction_of_search": "up",
          "max_steps": 16,
          "target_condition": {
            "type": "minecraft:has_sturdy_face",
            "direction": "down"
          }
        }
      ]
    }
  }
}
