1. Material: a square cardboard, scissors, watercolor pen or oil pastel. Steps: First, prepare a square cardboard. Fold the cardboard in half, and then unfold it, so that there are fold lines on the cardboard. Fold the top and bottom of the cardboard in half along the folding line, and then unfold it to get two new creases. Fold the left and right sides of the cardboard in half along the folding line, and then unfold it to get a new crease.

2. Now, there is a square in the center of the cardboard. Fold the four corners of the square diagonally in half, and then expand. Fold the bottom of the cardboard in half so that the bottom is aligned with the corner folded in the previous step. Then expand. Fold the top of the cardboard in half so that the top is aligned with the corner folded in the previous step. Then expand.

3. Now, there is a big square and a small square on the cardboard. Fold the four corners of the small square in half along the side of the big square. Then expand. Fold the cardboard in half along the nearest edge and fold it inward along the four edges. In this way, the folded shape is like the shape of a ship. Draw your favorite patterns or write words on the folded boat, so that a beautiful paper boat is completed.

The way to learn origami is as follows:

1. Know the basic origami symbols and techniques: Before learning origami, you need to know the basic origami symbols and techniques, such as mountain folding, valley folding, forward folding and reverse folding. These symbols and techniques are the basis of origami, which can help us understand and master the methods of origami. Choose the right origami teaching materials: choose the origami teaching materials that suit you, and you can also learn simple origami.

2, such as paper cranes, paper planes, etc. Gradually increase the difficulty and learn to fold complex works, such as flower balls and paper frogs. Learn basic folding methods: learn basic folding methods, such as square folding and rectangular folding. These basic folding methods are the basis of origami. After mastering these basic folding methods, you can try more complicated works step by step.

3. Hands-on practice: The most important thing to learn origami is hands-on practice. Only through practice can we master the skills and methods of origami. You can practice and try more to improve your origami level. Exploration and innovation: In the process of learning origami, we should dare to explore and innovate. Try different folding methods and techniques, and use your imagination and creativity.