材料material：
彩纸、剪刀
Colored paper, scissors
step
步骤
第1步 首先，准备一张正方形的纸，大小都可以，边对边，角对角，折出4条折痕。
step 1
First, prepare a square of paper, size can be, edge to edge, corner diagonal, fold 4 fold.
第2步 四周向中间挤压，得到下图的正方形。
Step 2 Around the middle squeeze, get the square below.
两个视角。
Two perspectives.
第3步 顶部折出一个三角形，大小大概是如图所示比例，可以小一些。要注意留出明显的折痕。
Step 3 Top off a triangle, the size is probably as shown in the ratio, can be smaller. Make sure to leave a noticeable crease.
第4步 摊开整张纸中间有个小正方形，不太明显，手动挤压成下图所示。
Step 4 There is a small square in the middle of the whole paper spread, less obvious, squeezed manually into the following figure.
第5步 和第一步有些相似，其实就是把正方形的四个角往里面挤然后中心会凹陷，趁机把它压平。
Step 5 And the first step is somewhat similar, in fact, is to square the four corners squeezed inside and then the center will be depressed, took the opportunity to flatten it.
第6步 以中间折痕为对称轴，将四边折向中间，如图。
Step 6 The middle fold as the axis of symmetry, the four sides folded to the middle, as shown.
这时应该是平行的。
第7步从底部打开，打开时的效果超赞！下图是打开后的样子。
Step 7 Opened from the bottom, open the effect of awesome! The figure is open after the look.
第8步反面有四条边，每条边左右各有两条不明显的边，不要被那两条边迷惑了，只撕开或剪开中间2那条，撕到分叉的地方就够了，四边都是这么做。
Step 8 The opposite side has four sides, each side of each side have two obvious sides, do not be confused by the two sides, only to open or cut the middle of the 2, tear enough to fork, four sides are That's it.
第9步 将上面一面翻下来，如图。
Step 9 Turn the top down, as shown.
第10步如图所示，以中间的折痕为轴，两边往中间折。
Step 10 As shown in the middle of the crease as the axis, both sides folded to the middle.
第11步将下面的两个正方形沿中间折痕剪开，向外翻折，与另一边平行，再将另一边翻折下来。
Step 11 Cut the lower two squares along the middle fold, fold out, parallel to the other side, and fold the other side down.
第12步剪出漂亮的蝴蝶结的尾巴。
Step 12 Cut out the bow of a beautiful bow.
第13步翻到正面，将折好的角塞到蝴蝶结中间的正方形里，漂亮的蝴蝶结就完成啦！
Step 13 Turned to the front, the folded corner into the middle of the bow square, beautiful bow finish it!
成品如下图。
Finished as shown below.
