![](http://renzuru-fold.com/wp-content/uploads/2021/03/hiyoku-47.jpg)
(51)
Fold the left head/tail to the center like this picture.
Then unfold the head/tail.
![](http://renzuru-fold.com/wp-content/uploads/2021/03/hiyoku-48.jpg)
(52)
Unfold the head/tail like this picture.
Then raise the head/tail as it is.
![](http://renzuru-fold.com/wp-content/uploads/2021/03/hiyoku-49.jpg)
(53)
Raise the head/tail as it is like this picture.
![](http://renzuru-fold.com/wp-content/uploads/2021/03/hiyoku-50.jpg)
(54)
Then fold the other head/tail to the center.
![](http://renzuru-fold.com/wp-content/uploads/2021/03/hiyoku-51.jpg)
(55)
After folding the head/tail, unfold it.
![](http://renzuru-fold.com/wp-content/uploads/2021/03/hiyoku-52.jpg)
(56)
Unfold the head/tail like this picture.
Then raise the head/tail as it is.
![](http://renzuru-fold.com/wp-content/uploads/2021/03/hiyoku-53.jpg)
(57)
Raise the head/tail as it is like this picture.
![](http://renzuru-fold.com/wp-content/uploads/2021/03/hiyoku-54.jpg)
(58)
Then prepare to put the top part on the bottom part.
![](http://renzuru-fold.com/wp-content/uploads/2021/03/hiyoku-55.jpg)
(59)
Make mountain-folds on the dotted lines.
(On the other side, make mountain-folds on the dotted lines as well.)
![](http://renzuru-fold.com/wp-content/uploads/2021/03/hiyoku-56.jpg)
(60)
After making mountain-folds, it looks like this picture.
![](http://renzuru-fold.com/wp-content/uploads/2021/03/hiyoku-57.jpg)
(61)
Then insert the top part in the bottom part.
![](http://renzuru-fold.com/wp-content/uploads/2021/03/hiyoku-58.jpg)
(62)
This picture is halfway through.
![](http://renzuru-fold.com/wp-content/uploads/2021/03/hiyoku-59.jpg)
(63)
Insert the top part in the bottom part like this picture.
![](http://renzuru-fold.com/wp-content/uploads/2021/03/hiyoku-59-1.jpg)
(64)
This picture is taken from the other side.