How to make an origami open cube II

(page 3)

3rd picture of origami open cube

03.

Apply the vertical "Z-fold" of the step #2 and then unfold.

Prepare to apply a diagonal valley-fold and then unfold.

4th picture of origami open cube

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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