def METHOD_NAME (lenX, lenY, count):
    polyline = []
    step = math.pi / count
    i = 0.0
    while (i < math.pi + step / 10.0):
        x = math.cos(i) * lenX
        y = math.sin(i) * lenY
        polyline.append([x, y])
        i = i + step
    return RotationBody(polyline, count)