|  | How to make a quadruple origami leaf(page 5) |  | 
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 | 07. Rotate the paper by 45 degrees. 
 Prepare to apply a "square-fold" . 
 Click on the above link to learn how to apply a square-fold. | 
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 | 08. Apply the "square-fold" of the step #7. 
 Now, You have a "square base" . |