How to make a wide and flat rectangular origami box (page 4)

 

05. Apply three horizontal "valley-folds" of the step #4 and then unfold.   Prepare to apply four vertical "valley-folds" and then unfold.

06. Apply four vertical "valley-folds" of the step #5 and then unfold.   You have completed making a "6x8 matrix base" .   Prepare to turn the paper over.

 

 

 

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