How to make a simple square origami spring (page 5)

 

07. Apply four vertical "valley-folds" of the step #6 and then unfold.   You have completed making a "8x8 matrix base" .

08. Prepare to apply four "valley-folds" and then unfold.

 

 

 

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16