1, first prepare a piece of cardboard, as shown in the following figure:

2. Cut the cardboard into the following figure and divide it into three equal parts according to the lines drawn on the cardboard, as shown in the following figure:

3. Draw a knife along the paper with a knife. If it is a single-layer cardboard, just fold it against the line, as shown below:

4. Then dig four long holes and cut off two oblique angles of the nose, as shown in the figure below:

5. Then cut off the front and rear wings and tail, as shown in the figure below:

6. Then insert the wings into the rectangular holes, as shown in the following figure:

7. Stick the upper opening with sealant, as shown in the following figure: