17. Fold the top point down from the top points of the previous creases.
18. Unfold the previous step.
19. Pull up one layer from the bottom point and bring it upwards. You will need to reverse fold the creases.
20. Flatten out the paper to become a diamond shape.
21. Flip the paper over to the other side.
22. Repeat steps 18 to 20 on this side.
23. Fold the top pint down to the middle.
24. Flip one layer from the right over to the left.