When applying the plaster bandage to the model, DO NOT stretch it tightly across the outside of the mold.
Straighten out the bandage and take it immediately to the model.
You do NOT want to squeeze too hard or you will squeeze out the plaster as well. Take it out and gently squeeze out the extra water.With two hands, one on each end, dip the plaster bandage into the water for about 5 seconds.Get a flat tupperware type container or a bucket of water.You've got your plaster bandages cut to length. It's not difficult to wet your plaster bandages. Because of that it requires about 6 rolls of 4-inch bandages A head mold has a surface area of between 600 and 700 square inches.What Size Pieces of Plaster Bandage Should I Use? We include 1.5 rolls in our Face Casting Kit to be on the safe side. Doing the math shows us that a face can be done with about 1 roll of 4 inch bandages. A typical face mold is a round bowl approximately 12 inches in diameter or about 115 square inches.
MAKING A BODY MOLD USING PLASTER BANDAGE VIDEOS FULL
For a full torso we need to have 6-8 layers of plaster bandagesĪ four-inch roll of plaster bandage contains 720 square inches of bandage (180 inches long x 4 inches wide).For a half torso, we need about 5 layers.For a head mold we need an average of about 5 layers.For a face mold, 4 layers is sufficient.The bigger the mold the thicker the plaster bandage shell needs to be to keep the mold from distorting during the pouring up. Too few and your mold will distort and possibly collapse into a useless mess. It is really important to have enough plaster bandages. How Many Plaster Bandages Do I Need for a Lifecasting? Always better to err on the slightly thicker side for safety. A full torso can be 400 square inches so we need between 6 and 8 rolls.Calculations show that we need about 3 rolls of plaster bandages A half torso mold is usually about 200 square inches.More on getting plaster bandages to stick. Plaster bandages don't normally stick to alginate so several strategies are used to keep them together. Putting on a hard shell of plaster bandages keeps the alginate in its original shape so you casting comes out better. As such the alginate requires a structural support so it doesn't distort when it is removed from the body. In a layup mold, the alginate is spread fairly thinly onto the surface of the skin, like in a face or torso mold. As discussed elsewhere, there are two types of lifecasts- Bucket Molds and Layup Molds.
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