{
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        "geometry.block.crop": {
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                "textureheight": 16,
                "visible_bounds_width": 2,
                "visible_bounds_height": 1,
                "visible_bounds_offset": [0, 0.5, 0],
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                        {
                                "name": "bone",
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                                "rotation": [0, -90, 0]
                        },
                        {
                                "name": "a",
                                "parent": "bone",
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                                "rotation": [0, -90, 0],
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                        {
                                "name": "bone3",
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                                "rotation": [0, 90, 0]
                        },
                        {
                                "name": "b",
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        }
}