Create/src/main/resources/assets/create/blockstates/belt_tunnel.json

{
  "forge_marker": 1,
  "variants": {
    "shape": {
      "straight": { "model": "create:block/belt_tunnel/straight" },
      "window": { "model": "create:block/belt_tunnel/straight_windowed" },
      "halfshade": { "model": "create:block/belt_tunnel/straight_halfshade" },
      "fullshade": { "model": "create:block/belt_tunnel/straight_fullshade" },
      "t_left": { "model": "create:block/belt_tunnel/t_left" },
      "t_right": { "model": "create:block/belt_tunnel/t_right" },
      "cross": { "model": "create:block/belt_tunnel/cross" }
    },
    "axis": {
      "x": { },
      "z": { "y": 90 }
    }
  }
}