{
  "type": "minecraft:crafting_shaped",
  "category": "misc",
  "key": {
    "B": {
      "item": "pneumaticcraft:cannon_barrel"
    },
    "I": {
      "tag": "forge:ingots/compressed_iron"
    },
    "D": {
      "item": "minecraft:blue_dye"
    }
  },
  "pattern": [
    " I ",
    " I ",
    "DBD"
  ],
  "result": {
    "count": 2,
    "item": "pneumaticcraft:pneumatic_cylinder"
  },
  "show_notification": true
}