ActuallyAdditions/src/main/resources/assets/actuallyadditions/blockstates/blockFlax.json

{
  "variants": {
    "age=0": { "model": "actuallyadditions:blockFlaxStage1" },
    "age=1": { "model": "actuallyadditions:blockFlaxStage2" },
    "age=2": { "model": "actuallyadditions:blockFlaxStage2" },
    "age=3": { "model": "actuallyadditions:blockFlaxStage3" },
    "age=4": { "model": "actuallyadditions:blockFlaxStage4" },
    "age=5": { "model": "actuallyadditions:blockFlaxStage4" },
    "age=6": { "model": "actuallyadditions:blockFlaxStage5" },
    "age=7": { "model": "actuallyadditions:blockFlaxStage6" }
  }
}