Materials: cardboard, scissors, art knife, ruler, double-sided tape, cotton swabs, two straws of different thicknesses, water pen.

1, use slightly stiff cardboard to cut a circle.

2. Cut a small sharp corner about 40 degrees.

3. Trace eight equal parts on the paper, the ninth part can be large or small, and is for gluing and bonding.

4. Cut the rounded edges straight or in a lace shape.

5. Cut one side of the ninth compartment and fold the umbrella according to the drawn lines.

6. Use a waterbrush to draw patterns on the edges and center of the umbrella, but don't draw the ninth frame.

7, in the ninth frame on the double-sided tape adhesive, umbrella is ready.

8, the cotton swabs cut into a pointed end, the thick straw half cut into eight equal parts.

9, insert the thin straw to complete the umbrella bone.

10, cut the tip of the cotton swab inserted in the center of the umbrella.

11.Insert the cotton swab into the thin straw to combine the umbrella bone and the umbrella surface.

12: Cut twice with scissors at each vertex of the umbrella.

13: Put the umbrella bone through the small cuts.

14, the excess part of the umbrella bone can be folded inwards to finish.