Enhanced-Explosives/src/main/resources/data/enhancedexplosives/recipes/tnt_repulsive.json

{
  "type": "minecraft:crafting_shapeless",
  "category": "redstone",
  "ingredients":[
    {
      "item": "minecraft:tnt"
    },
    {
      "item": "minecraft:piston"
    }
  ],
  "result": {
    "item": "enhancedexplosives:tnt_repulsive"
  }
}