Fold this square horizontally and vertically, as shown below.
Open the picture and fold it in half, one horizontally and one vertically, and fold it into the following picture.
When you start folding, pay attention to repeatedly folding the triangle under the paper, and don't fold the traces on it. Fold the four corners in turn.
Then open the display crease, as shown below, and then press the edges in turn according to the crease of the paper to display the small squares in the paper.
Fold it layer by layer like this.
seven
Then bend the paper with pencil lead at the edge of the fold, hold the small square in the middle with your fingers, grasp the middle point and rotate it 90 degrees, and the shape of the rose will come out.