How to make a simple origami stairs (page 4)

 

05. Apply the vertical "gate-fold" and then "unfold" .   Prepare to apply four horizontal "valley-folds" and then "unfold" .

06. Apply four horizontal "valley-folds" of the step #5 and then "unfold" .   Prepare to apply four vertical "valley-folds" and then "unfold" .

 

 

 

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