{
    "variants": {
        "axis=y":  { "model": "dark_oak_log" },
        "axis=z":   { "model": "dark_oak_log_side" },
        "axis=x":   { "model": "dark_oak_log_side", "y": 90 },
        "axis=none": { "model": "dark_oak_bark" }
    }
}