Unfold to Step 10. Repeat Steps 10-12 on the left. Note that a white tip is showing. Repeat Steps 10-14 on the other three flaps. Note that the white tips are showing and that there are 4 layers on each side.
Book fold one layer to the right.
Note that two white tips are showing, and that there are 5 layers on the left side, and 3 layers on the right side. Book fold one layer to the right. Note that NO white tips are showing, and that there are 4 layers on each side. Fold the tip back down. Repeat Steps 19-20 on the other three sides.