
How to Use Plaster of Paris Molds | Gone
Plaster of Paris is made from gypsum rock that changes from a solid form into a powder and back to a solid quite easily by adding water. It is a popular medium for arts and craft projects requiring molds. Items you will need . Plaster of Paris. Water. Mixing bowl. Various plastic or latex molds. Knife. Sandpaper. Oil or petroleum jelly. Cover your work area with plastic or newspapers for easy
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