(１０５)
Put the paper like this picture.
Then take only the top flap in the right and move it in the direction of the arrow.
(１０６)
This picture is halfway through.
(１０７)
Move the flap like this picture.
(１０８)
Then make mountain-folds on the yellow lines.
(１０９)
Make mountain-folds like this picture.
(１１０)
Then while making a valley-fold on the dotted line, fold the edge in the direction of the arrow so that the edge get caught on the completed crane.
(１１１)
Fold the edge like this picture.
(so that the edge get caught on the completed crane.)
(１１２)
On the opposite side too, while making a valley-fold on the dotted line, fold the edge in the direction of the arrow so that the edge get caught on the completed crane.
(１１３)
Fold the edge like this picture.
(１１４)
After that, the parts that the dotted lines are would be swollen.
Push the parts from top and make creases at the dotted lines.
(１１５)
Then move both sides in the direction of the arrows.
(１１６)
Move both sides like this picture.
(１１７)
In the state of that, move the head/tail in the direction of the arrow.
(fold the head/tail to the side.)
(＊In this picture, I put the green stick to take a picture.
When moving the head/tail, hold both sides.)
(１１８)
Move the head/tail like this picture.
(１１９)
Then move the completed crane and uncompleted crane in the direction of the arrow.
(１２０)
Move them like this picture.
(１２１)
Then move both sides in the direction of the arrows and fold them.
(１２２)
Fold them like this picture.
(１２３)
You become able to make creases for one side of a bird-base.
Make creases neatly.
After that, raise the head/tail as it is without folding it to the center.
(１２４)
Raise the head/tail as it is like this picture.
