(３８)
Then fold the square which has been circled.
Before that, make a mountain-fold on the dotted line.
(３９)
Make a mountain-fold like this picture.
(４０)
Make a star-shape like this picture.
Then make a bird-base so that the yellow lines are changed to wings.
(４１)
This picture is halfway through.
(４２)
The bird-base is finished.
(４３)
In order to fold the inside head/tail to the center first, move the paper.
(４４)
Pull the part which has been circled in the same way as the 24th step.
(４５)
This picture is halfway through.
(４６)
After moving the paper, it looks like this picture.
(４７)
Fold the head/tail to the center.
(４８)
After folding the head/tail, raise it.
In this side, there is not a connecting part.
Therefore, raise the head/tail along a tip of a connecting part in the other side.
(４９)
Raise the head/tail along a tip of a connecting part in the other side like this picture.
(５０)
After raising the head/tail, don’t revert it back to a bird-base.
In order to fold the other head/tail, move the paper.
(５１)
Pull the part which has been circled.
(５２)
This picture is halfway through.
(５３)
After moving the paper, it looks like this picture.
(５４)
Fold the head/tail to the center.
(５５)
After folding the head/tail, raise it along a tip of a connecting part.
(５６)
Raise it like this picture.
The fourth crane is finished.
(don’t revert it back to a bird-base)
