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| 3) | Unfold, then make another diagonal fold so |
| that the other corner meets the centerline at | |
| the same point the first corner did in step 2. | |
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| The two diagonal folds should cross each | |
| other at the centerline. | |
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| 4) | Fold from the intersection of the diagonals |
| and centerline to the corner. | |
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