1. Prepare a paper cup with a pen and a ruler.
2. Draw five isosceles triangles on the upper part of the paper cup with a pencil according to five equal parts, and then draw five opposite isosceles triangles on the lower part of the paper cup. Then cut the waist of the drawn isosceles triangle with a utility knife.
3. Use scissors to cut the bottom of the triangle with the bottom connected to the cup mouth.
4. flatten the five triangles at the bottom of the cup to the end.
5. Punch two small holes at the opposite positions of the cup mouth diameter with a punch, put on a red rope, and then tie it to the straw. Put the candle in the paper cup to complete the manufacture of the paper cup lamp.
6. Carefully light the candle with a match and light the finished paper cup lamp.