NaturesAura/src/generated/resources/assets/naturesaura/blockstates/ancient_bark.json

{
  "variants": {
    "axis=x": {
      "model": "naturesaura:block/ancient_bark_horizontal",
      "x": 90,
      "y": 90
    },
    "axis=y": {
      "model": "naturesaura:block/ancient_bark"
    },
    "axis=z": {
      "model": "naturesaura:block/ancient_bark_horizontal",
      "x": 90
    }
  }
}