(４１)
Proceed with steps until the 43th step while pinching the part that has been circled.
Make a mountain-fold at the dotted line.
(４２)
Make a mountain-fold like this picture.
The part that has been circled would be swollen.
Push the part from top to make creases.
(４３)
Then move the center in the direction of the arrow to make a crease at the dotted line.
(４４)
After making a crease, it looks like this picture.
In order to get easier to make a bird-base, move the flap in the direction of the arrows to make a crease at the dotted line.
After that, turn the paper over.
(４５)
Open the left and right edges once.
(４６)
Open the edges like this picture.
Arrange the part that has been circled.
(４７)
Arrange the part like this picture.
(４８)
Then fold the left and right edges in the direction of the arrows.
(４９)
Fold the edges like this picture.
(５０)
The bottom part that has been circled will be opened.
Fold the two bottom edges again.
After that, turn the paper over as it is while pinching the top and bottom that you have folded.
(５１)
Proceed with steps until the 55th step while pinching the parts that have been circled.
(５２)
The part that has been circled would be swollen.
Push the part from top to make creases.
(５３)
Then push both sides a little like the arrows to make valley-folds.
(５４)
After that, move the top and bottom in the direction of the arrows to make a bird-base.
(５５)
This picture is halfway through.
(５６)
The bird-base is finished.
(５７)
Fold each of the head/tail to the center.
(５８)
Raise them like this picture.
The third crane is finished.
