How to fold the horizontal couplet

1. First take a couplet paper and fold it in half. This is done so that the width of both sides is the same when folding to avoid different sizes. Then, fold the paper in half and fold it into a two-word grid, as shown in the figure below.

2. Then fold it up and down to form a four-character grid, as shown in the figure below.

3. Then fold it up and down to form a figure of eight, as shown in the figure below.

4. Fold the 8-grid paper in half on both sides of the diagonal without opening it, and the folded effect will be as shown in the figure below.

5. Open the folded paper to form seven rhombic grids, leaving a little space up and down. When writing couplets, write the words in the rhombic lattice, with the horizontal line in the middle of the rhombic lattice as the center line, which is exactly 7 equal parts, as shown in the figure below.

Extended data

value of function

For children, origami can exercise the flexibility of children's fingers and develop their hands-on ability and innovation ability; Origami must be done step by step. In this process, children can also develop the good habit of doing things step by step, and also cultivate their own observation and attention. Because of its strong plasticity, origami can develop children's creativity, imagination and thinking ability in images; Things in life, small animals, vehicles, etc. Become an image origami. In this process, children's spatial imagination will also be improved.

For the elderly, origami games can help them use their brains and activate their thinking, so as to achieve the overall coordination of the trinity of hands, eyes and brain, and also prevent the memory decline of the elderly. In some sanatoriums, origami is used as a treatment for patients' rehabilitation.

On the other hand, modern origami is not only an art, but also a new science: origami mathematics. It has been applied to the storage of parachutes, satellite solar panels, car airbags, and even the structural design of Hubble Space Telescope has benefited from origami mathematics.

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