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

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

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