Prepare materials such as paper, pens and scissors. The process of paper-cutting is basically as follows:

1, the material directly used for paper cutting.

You need to write on the paper with a pen.

3. Continue to add shadow parts according to the actual situation.

4. If there is no problem, cut off the peripheral part with scissors.

5. In this way, the shaded part will be cut according to the schematic diagram to meet the requirements.