Below is a photo of a plaster mold I made for a shell which needed to be four parts Mold I made of a shell. The number of parts a mold has is governed by how complex the shape of the form is. Plastic tub I will use to make a plaster mold for cup. I want to discuss why it’s good for a one part mold. It’s a simple shape and will only require a one part mold. Here is a plastic tub (which is a cylinder) I will use to make the one part plaster mold featured in this article. In this article I am describing the most basic type of mold which is only one part. Reviewing the model or shape you will make a mold of is the most important step. The whole point to making a mold is to have the ability to easily replicate a form. Wish list not absolutely necessary but helpful: drill with mixing paddle, brush for bottom of mold to get bubbles out, hammer or mallet to bang table to also release bubbles.However, some people I hear say plaster dries out their hands. Safety needs must include a dust mask or best, a respirator.You will need a couple of utility sponges for cleaning.When you see how I deal with the cleanup in the article you should be able to get an idea of how to deal with your own situation. Then a box with a contractor garbage bag liner. It consists of two 5 gallon buckets half full of water. Plaster CAN NOT GO DOWN YOUR SINK DRAIN! I use a three part cleaning station in the studio that does not rely on cleaning anything in a sink. Cleanup is important and you should prepare a cleanup area before you mix your plaster.Water or oil based clays are typically used. Clay to seal the container used when pouring the mold.They are called cottles and I show you a few kinds you can use. Material that will contain or box in the plaster when you pour the mold.You could even just pour plaster on a plastic sheet. Laminate or stone counter work surface or sheet of plexiglass would all work.
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