ActuallyAdditions/src/generated/resources/data/actuallyadditions/recipes/advanced_coil.json

{
  "type": "minecraft:crafting_shaped",
  "category": "misc",
  "key": {
    "C": {
      "item": "actuallyadditions:basic_coil"
    },
    "G": {
      "item": "minecraft:gold_nugget"
    }
  },
  "pattern": [
    "GGG",
    "GCG",
    "GGG"
  ],
  "result": {
    "item": "actuallyadditions:advanced_coil"
  }
}