「立方体2」Design by saku15cm*15cm:6枚7.5cm*7.5cm:6枚youtube版: https://youtu.be/9vmHADX28T8 折り紙: mylist/16345821 twitter: https://twitter.com/sakusaku858instagram: https://www.instagram.com/sakusaku858/Flickr: https://www.flickr.com/gp/122577187@N08/f745NTblog : http://ori-lab.blogspot.jp/