Jeez, theyre cut out as circular strips which, when pulled into a straight line, sort of frill up a bit. 하지만 원형을 만들 때 정말 시간이 많이 걸리는 아주 좁은 밑단을 만들어야 합니다. Anyway, I did manage it, and then sewed them on to the top itself in straight vertical lines.