Origami Basics Tutorial: Folding a 13-division square grid
happyfolding.com - enjoy origami online
214 9.3K
This video shows you how to divide a square into 13 equal parts, for example to fold a 13-division square grid.
Videos/playlists featured at the end of the video:
Square Interlace Box by Michał Kosmulski: ...
Playlist of further