2. Fold this small piece of paper in half and string the two pieces of paper together at a vertical angle.
3. Next, string the other two pieces of cardboard on the top and bottom of one side of the note and stick them firmly with glue.
4. Stick the other side of the note in the same way, as shown in the figure below.
5. Cut off the corners of the redundant paper, as shown in the figure below.
6. Then cut out the shape of the small fish tail at one end of the cardboard, as shown in the figure below.
7. That's it. See the effect, as shown in the figure below.
Extended data
value of function
1. For children, origami games have many benefits. 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.
2. Because origami is extremely plastic, it can be said that it is ever-changing, so children's creativity, imagination and thinking ability in images can be developed through origami; 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 not only help them use their brains, activate their thinking, and achieve the overall coordination of the trinity of hands, eyes and brain, but also prevent the memory of the elderly from declining. Some sanatoriums use origami as a treatment for patients' rehabilitation? .
4. "origami mathematics" derived from origami art is proved by equations: theoretically, any geometric form can be simulated by origami. With the help of computer software aided design, today's origami researchers can fold more complicated graphics than before. In Kamiya Satoshi, a 2m× 2m square paper was folded into a dragon, and its scales and claws were clearly visible. It is said that there are probably no more than 20 successful origami people in the world.
References:
Baidu encyclopedia-origami