Step 11: Fold the top corners in to meet the centre where the crease lines join to form a cross (indicated with the blue cross)
Step 12: Your paper should now look like this
Step 13: Fold the inner tip upwards as shown
Step 14: Unfold the tip and your paper should look like this
Step 15: Fold the top of the paper down so it meets the crease line you made in step 13, creasing where shown in blue.
Step 16: Your paper should now look like this
Step 17: Fold the point upwards to hold the last fold in place
Step 18: Turn the paper over and around so it looks like this
Step 19: Fold the left side over to meet the right side