Age-of-the-Gods/Assets/limestone_grass_block.json

{
  "variants": {
    "": [
      {
        "model": "ageofthegods:block/limestone/limestone_grass", "weight": 3
      },
      {
        "model": "ageofthegods:block/limestone/limestone_grass2", "weight": 3
      },
      {
        "model": "ageofthegods:block/limestone/limestone_grass3", "weight": 3
      }
    ]
  }
}