         polygon = [a + n, b + n, b - c, b - n, a - n, a + c]
                else:
                    # Expand the polygon around its center of mass
                    center = Point(
                        *[sum(coords) / float(len(coords)) for coords in zip(*polygon)]
                    )
                    polygon = [
                        Point(*point).towards(center, -corner_radius)
                        for point in polygon
                    ]

                # Draw the hull
             