{
  "type": "minecraft:crafting_shaped",
  "key": {
    "b": {
      "item": "minecraft:polished_blackstone_button"
    },
    "e": {
      "tag": "forge:ender_pearls"
    },
    "g": {
      "tag": "forge:glass"
    },
    "i": {
      "tag": "forge:ingots/iron"
    }
  },
  "pattern": ["iei", "igi", "ibi"],
  "result": {
    "item": "shrink:shrinking_device"
  }
}