minecraft-assets/assets/minecraft/models/item/oak_fence.json

{
    "parent": "block/oak_fence_inventory",
    "display": {
        "thirdperson": {
            "rotation": [ 0, 0, 180 ],
            "translation": [ 0, 1.5, -2.75 ],
            "scale": [ 0.375, 0.375, 0.375 ]
        },
        "gui": {
            "rotation": [ 0, 90, 0 ]
        }
    }
}