Tham khảo tài liệu 'cách xếp sâu bướm bằng giấy', văn hoá - nghệ thuật, khéo tay hay làm phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Caterpillar Maarten van Gelder 1984 Dec Use a strip of paper 8x1 24 X 3 inch or 20 X inch will do both sides same color. Shorter than 8 X 1 is possible but not as nice. You may first try with a strip of 3 X 1. The diagrams are drawn as if folded of a 3 X 1 strip. Only the finished model is drawn as if folded from a 8 X 1 strip. 7 Reverse fold whole length 8 Reverse fold all tips DC B 10 9 Unfold front flap. See 10 11 and also finished model for position of points p Q R and s 12 Only upper flap don t push flat Point s swivels automatically 13 Fold the flaps back to diagram 10 and repeat 11-13 on the right side 15 Outside reverse fold 16 17 19 Repeat 13 and 14 20 21 22 Fold head down Reverse fold in nose