How To Make Plaster Molds For Slip Casting

Wrap aluminum flashing around the prototype to serve as cottle boards leaving a 1 2 inch gap between the flashing and the edge of the clay form the flashing creates a barrier to contain the plaster once it is poured onto the prototype 3.

How to make plaster molds for slip casting. Learn how to mix plaster for making casting molds bats and slabs. This video demonstrates how to properly measure and mix plaster using the volume method. This process is called slip casting. A common mistake of potters is to mix plaster only to realize everything s not set up for pouring.

For classroom use this video shows step by step how plaster molds can be used to make forms out of clay. With a little modification to the original jug design i made new plaster molds one for the handle figure 1 and the other for the body of the form. Heavy duty cardboard tubing. My 6 tips make this plaster mixing tutorial fast and easy.

Learn to make and use bisque molds and plaster molds plus get casting slip recipes when you download this freebie ceramic mold making techniques. Slip casting can be useful for making multiples of one object and to make casts that are hollow on the inside. How to mix plaster 10 steps. Click here for the slip casting process.

You can cast the pipe itself or use it to make a plaster master model. This tutorial is demonstrating how to slip cast porcelain in an already existing plaster mold easily and efficiently. How to make a plaster mold for slip casting part 2. Old rolling pins choose a variety with removable handles because they are flat ended.

Before casting make sure your model is set the mold boards or cottle are secure and all the surfaces you re pouring onto are coated with a parting agent such as mold soap. How to create.