How to make a new origami ninja star

(page 11)

19.

Complete applying a "squash-fold" utilizing the existing crease lines.

Prepare to apply a horizontal "valley-fold" .

20.

Apply the horizontal "valley-fold" of the step #19.

You have now completed applying an "inside reverse-fold" located on the top at the step #16.

Now, let's finish the remain three "inside reverse-folds" shown on the step #16.