duck

    "road surface":
    {
        "crossSection": [ [ -14.0, 0.2 ], [ -11.0, 0.2 ], [ -11.0, 0.0 ], [ 0, 0.1], [ 11.0, 0.0 ], [ 11.0, 0.2 ], [ 14.0, 0.2 ] ],
        "v": [ 0.0, 0.1054, 0.1152, 0.5, 0.8848, 0.8946, 1.0 ],
        "uScale":30,
        "material": "Road Surface",
        "water": "any",
        "collide":"no"
    },