{
  "type": "create:mechanical_crafting",
  "acceptMirrored": false,
  "key": {
    "C": {
      "tag": "forge:ingots/cast_iron"
    },
    "M": {
      "item": "create:precision_mechanism"
    },
    "O": {
      "tag": "forge:plates/steel"
    }
  },
  "pattern": [
    "CCC",
    "OCO",
    "OMO",
    "OCO"
  ],
  "result": {
    "item": "tfmg:simple_large_engine"
  }
}