How to make a large regular origami chair

(page 4)

5th picture of large regular origami chair

05.

Apply the "cushion-fold" of the step #4 and then unfold.

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

6th picture of large regular origami chair

06.

Apply four horizontal "valley-folds" of the step #5 and then unfold.

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