The detailed diagram is as follows:
First, fold in half along the dotted line.
Second, fold in half along the dotted line.
Third, the reverse side is the same, folded in half along the dotted line.
Fourth, cut along the line (that is, the corner without opening! )
Fifth, expand, you can draw a point in the middle or cut a point.
Chinese paper-cutting is to cut patterns on paper with scissors or other knives, stick the cut patterns at home, or match other folk activities. This is an ancient folk life art in China. For many ethnic groups, paper-cutting has a very traditional and extensive significance, and it is also an integral part of folk activities.