How to make a closed thin rectangular origami box (page 12)

 

21. Apply the mountain-fold (5) and the valley-fold (6) of the CP shown on the step #12.   Prepare to apply a valley-fold.

22. Apply the valley-fold of the step #21.   Apply the mountain-fold (7) and the valley-fold (8) of the CP shown on the step #12.

 

 

 

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