{
  "variants": {
    "light_level=0":  { "model": "tfg:block/reflector_night" },
    "light_level=5":  { "model": "tfg:block/reflector_day_1" },
    "light_level=10": { "model": "tfg:block/reflector_day_2" },
    "light_level=15": { "model": "tfg:block/reflector_day_3" }
  }
}