Fold in half, then turn over
Align the creases on the left and right sides with the center line, turn out the back paper layer at the same time, and then turn it over
Then unfold all the papers
Rotate 90 degrees and repeat the previous steps
Align the creases on the left and right sides with the center line, turn out the back paper layer at the same time, and then turn it over
Point the first crease to the second crease, and the fourth crease to the fifth crease, horizontally and vertically its the same
Then tie the line and pay attention to the position of the line.
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