[11] Use the raised corner of the side flap (point D) as a guide to folding the triangular flap down. Crease the bottom of the triangular flap when its tip (point X) is slightly higher than point D. Note: When you create the bottom edge of the triangular flap, make sure that the centerline of the flap is in line with the centerline of the bottom layer of paper. |
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[12] Lower the side flap. |
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