How to apply a balloon-fold in origami (page 2)

 

01. We can start with a balloon paper.   Prepare to apply a diagonal valley-fold and then unfold.

02. Apply the diagonal valley-fold of the step #1 and then unfold.   Prepare to apply another diagonal valley-fold and then unfold.

 

 

 

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If you have a difficulty in these steps, you are welcome to write a question below.