vertices = new Vector3[]
{
    new Vector3 (20.0f, 40.0f, -0.0f),
    new Vector3 (0.0f, 40.0f, -0.0f),
    new Vector3 (0.0f, 40.0f, -0.0f),
    new Vector3 (0.0f, 40.0f, -0.0f),
    new Vector3 (20.0f, 40.0f, -0.0f),
    new Vector3 (20.0f, -0.0f, -0.0f),
    new Vector3 (20.0f, 40.0f, 60.0f),
    new Vector3 (20.0f, -0.0f, 60.0f),
    new Vector3 (0.0f, 40.0f, 60.0f),
    new Vector3 (20.0f, 40.0f, 60.0f),
    new Vector3 (20.0f, -0.0f, 60.0f),
    new Vector3 (0.0f, 0.0f, 60.0f),
    new Vector3 (20.0f, -0.0f, -0.0f),
    new Vector3 (0.0f, 0.0f, -0.0f),
    new Vector3 (20.0f, -0.0f, 60.0f),
    new Vector3 (0.0f, 0.0f, 60.0f),
    new Vector3 (0.0f, 0.0f, -0.0f),
    new Vector3 (0.0f, 40.0f, 60.0f),
    new Vector3 (0.0f, 0.0f, 60.0f),
    new Vector3 (20.0f, 40.0f, -0.0f),
    new Vector3 (0.0f, 40.0f, 60.0f),
    new Vector3 (20.0f, 40.0f, 60.0f),
    new Vector3 (20.0f, -0.0f, -0.0f),
    new Vector3 (0.0f, 0.0f, -0.0f)
};

triangles = new int[]
{
    0, 22, 23,
    10, 9, 8,
    17, 2, 16,
    21, 19, 3,
    15, 13, 12,
    7, 5, 4,
    1, 0, 23,
    11, 10, 8,
    18, 17, 16,
    20, 21, 3,
    14, 15, 12,
    6, 7, 4
};