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(1)准备两张一大一小正方形的彩纸,或把糖纸剪成两个一大一小的正方形。(2)反复正折和反折。(3)把两个折好的纸用线从中间扎在一起。
(1) Prepare two large, small square colored paper or cut two large, small squares. (2) repeated positive and negative folding. (3) tie the two folded papers together in the middle.