1. Two thick papers, the thick one.
2. scissors
Push needle
4. Pencil with eraser
crayon
6. Rolling and cutting machine
Production method:
1. Make two small squares. How? According to the picture, fold two pieces of paper together and follow the dotted line in the picture.
2. Then cut off the extra cuboid according to the picture. So the two squares are finished. (They are now folded into triangles. )
3. Fold the triangle according to the dotted line on the left and open it.
4. Draw on one side of two square pieces of paper according to the picture, stack the two square pieces of paper together, and pay attention to stick their unpainted sides together.
5. According to the figure, cut 4 knives along the black line to a distance of half from the center.
6. According to the punching positions shown in the figure, punch four small holes in these positions with a punching machine.
7. Gently fold the four corners with holes to the center point, as shown on the left (be careful not to wrinkle the paper), then nail this with thumbtacks, and finally nail the windmill to the eraser of the pencil. A beautiful windmill is ready!