How to fold Hiyoku

(１４６)
After turning the paper over, fold one side of the head/tail to the center.
(The one side of the head/tail is shown by the arrow.)

(１４７)
Fold the one side of the head/tail like this picture.

(１４８)
Then move the head/tail in the direction of the arrow while making a crease at the dotted line.

(１４９)
Move the head/tail like this picture.

(１５０)
Then push the part, which is shown by the arrow, to change shape.

(１５１)
Change shape like this picture.

(１５２)
Then pinch the parts, which are shown by the arrows, to put one on top of another.

In the state of that the parts are put on top of each other, fold one side of the head/tail to the center.

(１５３)
After folding the one side of the head/tail to the center, it looks like this picture.

(１５４)
Then move the head/tail in the direction of the arrow.

(１５５)
Move the head/tail like this picture.

Then pinch the part, which is shown by the arrows, to make creases on the dotted line again.

(１５６)
After making creases, raise the head/tail.

First, push the circled parts a little.

(１５７)
After pushing them, the head/tail is open a little like this picture.
Then raise the head/tail.

It is hard to raise the head/tail on this side too.
Therefore, raise it carefully.

(１５８)
This picture is halfway through.

(１５９)
Raise the head/tail like this picture.
All the cranes are finished.

Finally, make beaks and arrange shape of cranes.

(１６０)
This is an enlarged picture of connecting parts.

Hiyoku is complete!