src/main/resources/assets/mekanism/recipes/slickplasticblock_7.json

{
  "result": {
    "item": "mekanism:slickplasticblock",
    "data": 7,
    "count": 4
  },
  "pattern": [
    " P ",
    "PDP",
    " P "
  ],
  "type": "mekanism:ore_shaped",
  "key": {
    "P": {
      "item": "mekanism:slickplasticblock",
      "data": 0
    },
    "D": {
      "ore": "dyeLightGray",
      "type": "forge:ore_dict"
    }
  }
}