Pull the length edges into the diagonal creases on each side. After doing this, unfold the paper and then pull the corners of the paper into the new creases as shown in the fifth and sixth photographs.

Working with these new corner folds, pull them forward until you reach the rear edge of the nose fold on each side and crease them. After completing that, pull the leading edges of these folds back to the creases that have resulted and then the creases back over themselves, as shown between photographs nine through twelve.

After the folding has been done, reverse the folds on each side to tuck the paper under itself. Finishing this, pull the leading edge of this angled portion itself into the crease and make a new crease. Repeat on the other side.