{
  "multipart": [
    {
      "apply": {"model": "minecraft:block/iron_bars_post"}
    },
    {
      "when": {"north": "true"},
      "apply": {"model": "minecraft:block/iron_bars_left_side","y": 90}
    },
    {
      "when": {"west": "true"},
      "apply": {"model": "minecraft:block/iron_bars_left_side"}
    },
    {
      "when": {"south": "true"},
      "apply": {"model": "minecraft:block/iron_bars_right_side","y": 90}
    },
    {
      "when": {"east": "true"},
      "apply": {"model": "minecraft:block/iron_bars_right_side"}
    }
  ]
}