{
    "ambientocclusion": false,
    "textures": {
        "inside": "#texture",
        "particle": "#texture"
    },
    "elements": [
        {   "from": [ 4, 4, 4 ],
            "to": [ 12, 12, 12 ],
            "faces": {
                "north": { "texture": "#inside" }
            }
        }
    ]
}