How to fold the corner protector?

Tools/materials: square colored paper, gel pen.

1, a square colored paper for standby.

2. Fold the square paper in half.

3. Fold the two bottom corners of the triangle inward.

4. Then open it. As shown in the figure below.

5. Next, fold the top corner inward.

6. Pull the right corner to the left to form a square. As shown in the figure below.

7. Then, fold the top corner of the square inward. As shown in the figure below.

8. Then fold the left corner to the right. Similarly, fold the top corner inward and turn the origami over. As shown in the figure.

9. The last step is to write English letters on the origami with a gel pen, as shown in the figure.

10. In this way, the corner protector is completed and put on the book.