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| [7] Mentally draw an imaginary line from point B, located at 1/2 the length of the bottom edge, to point A, located on the top edge close to the rear of the protruding triangle. Valley fold the top layer of paper so that edge BC meets line BA. If you want to you can draw line AB in pencil to use as a guide before folding, then erase once the valley fold is made. |
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