[
    {
        "id":"ball2",
        "primitive":"sphere"
    },
    {
        "id":"ball",
        "origin":[0,0,10],
        "radius":10,
        "primitive":"sphere"
    },
    {
        "id": "bush1",
        "primitive": "instance",
        "entity": "ball2",
        "matrix": [1, 0, 0, -20, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1]
    },
    {
        "id": "bush2",
        "primitive": "instance",
        "entity": "ball",
        "matrix": [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1]
    },
    {
        "id": "bush3",
        "primitive": "instance",
        "entity": "ball",
        "matrix": [1, 0, 0, 20, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1]
    },
    {
        "id": "plants",
        "primitive": "layer",
        "color": [0,1,0],
        "elements": ["bush1", "bush2", "bush3"]
    }
]