|  | How to make a spiral origami calyx(page 2) |  | 
| 01. Let's start with a backside of the paper facing up. 
 Prepare to apply a horizontal "valley-fold" and then unfold. | 
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 | 02. Apply the horizontal valley-fold of the step #1 and then unfold. 
 Prepare to apply a vertical valley-fold and then unfold |