BloodMagic/src/main/resources/assets/bloodmagic/models/block/demoncrystallizer.json

{
  "parent": "block/block",
  "loader": "forge:obj",
  "flip-v": true, 
  "model": "bloodmagic:models/block/blockdemoncrystallizer.obj",
  "textures": {
    "default": "bloodmagic:models/demoncrystallizer",
    "particle": "#default"
  }
}