Some designs require special papers with polygonal shapes including the pentagon and hexagon, and in this case, it is better to cut out those papers of square papers as required.
五角形や六角形や八角形など多角形の特殊な紙を用いる作品もあるが、こうした場合は自分で必要に応じ正方形の紙から切り出すとよい。