1, first prepare a bucket, then put on a plastic bag, add water and gypsum powder, gypsum powder must be more than water, showing an insoluble state for a period of time.

2. Then, prepare the plastic wooden partition board you want to make the mold, make the partition board into the plastic shape you want, and then fill all the western gaps with plasticine.

3. Then put on plastic gloves and keep the gypsum powder in the bucket until the gypsum powder presents a sticky paste.

4. Then pour the gypsum powder into a plastic tool, pour it evenly and fill it, and empty all the barrels.

5. Let it stand for half an hour after pouring as shown in the figure below, and then proceed to the next step after it is completely cured.

6. After the gypsum is completely solidified, the plastic mold can be removed, because it is connected by wood, and it can be removed by direct force.

7. The final plaster mold needs to be scraped off gently with a knife to complete.