Origami Basics: Folding a Square Grid Accurately

Paper used in this video: square with a side length of 24 cm (9 1/2/ in)

This video describes how to fold a square grid accurately. Square grid are the starting point of many origami tessellations, as well as box-pleating models.
The video contains both a method for folding square grids with a division that is a power of two (2, 4, 8, 16, 32, 64, ...), as well as some tips on how to fold other divisions (examples in the video: 7, 60, 40, 38).

Video on how to fold fifths:    • Origami Basics: Dividing into Fifths  

Videos/playlists featured at the end of this video:
Five and Four by Eric Gjerde:    • Origami Instructions: Five-and-Four T...  
Clover Folding by Shuzo Fujimoto:    • Origami Instructions: Clover Folding ...  
Tessellations playlist:    • Origami Tutorials: Tessellations  

More origami: http://www.happyfolding.com