How to make a large regular origami chair (page 13)

 

23. Apply four "valley-folds" of the step #22 and then unfold.   Prepare to apply two "valley-folds" .

24. Apply two "valley-folds" of the step #23.   Prepare to apply two "valley-folds" .

 

 

 

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20