minecraft-assets/assets/minecraft/models/block/bell_ceiling.json

{
    "textures": {
        "particle": "block/bell_bottom",
        "bar": "block/dark_oak_planks"
    },
    "elements": [
        {
            "from": [ 7, 13, 7 ],
            "to": [ 9, 16, 9 ],
            "faces": {
                "north": {"uv": [7, 2, 9, 5], "texture": "#bar"},
                "east": {"uv": [1, 2, 3, 5], "texture": "#bar"},
                "south": {"uv": [6, 2, 8, 5], "texture": "#bar"},
                "west": {"uv": [4, 2, 6, 5], "texture": "#bar"},
                "up": {"uv": [1, 3, 3, 5], "texture": "#bar"},
                "down": {"uv": [1, 3, 3, 5], "texture": "#bar"}
            }
        }
    ]
}