How to make a closed square origami box IV

(page 6)

9th picture of closed square origami paper box IV

09.

Apply two "valley-folds" of the step #8 and then "unfold" .

Prepare to apply two "mountain-folds" and then "unfold" .

10th picture of closed square origami paper box IV

10.

Apply two "mountain-folds" of the step #9 and then "unfold" .

Prepare to open the paper.