(１６)
Then fold the square on the completed crane’s right.
Make mountain-folds on the dotted lines.
(１７)
Make mountain-folds like this picture.
(１８)
Then make mountain-folds on the dotted lines.
After that, make only one side of a bird-base in the same way as the former steps.
(１９)
After making only one side of a bird-base like this picture, in order to get easier to make a bird-base, fold the paper on the dotted line.
(２０)
After folding the paper, make a bird-base.
(２１)
The bird-base is finished.
(２２)
First, fold the inside head/tail to the center.
(２３)
After folding the head/tail, raise it.
(２４)
Raise it like this picture.
(２５)
Then fold the outside head/tail to the center.
(２６)
After folding the head/tail, raise it.
(２７)
Raise it like this picture.
The second crane is finished.
(２８)
Spread wings to get easier to make other cranes.
