How to make an origami album (long origami book) (page 3)

 

03. Apply the vertical "Z-fold" of the step #2 and then unfold.   Prepare to apply a diagonal valley-fold and then unfold.

04. Apply the diagonal valley-fold of the step #3 and then unfold.   Prepare to apply another diagonal valley-fold and then unfold.

 

 

 

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