{
  "type": "minecraft:crafting_shaped",
  "pattern": [
    " B ",
    "SCS",
    " R "
  ],
  "key": {
    "B": {
      "item": "create:electron_tube"
    },
    "R": {
      "tag": "forge:workbench"
    },
    "C": {
      "item": "create:brass_casing"
    },
    "S": {
      "tag": "forge:cogwheels"
    }
  },
  "result": {
    "item": "create:mechanical_crafter",
    "count": 3
  }
}