HOW TO MAKE A MOLD BOX

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How to Make A Mold Box?

By Aarron Barry

  

Mold making takes varied means and forms. You can opt for making a one piece or multi-part mold, blanket or block mold and use brushed, poured, glove, slush or injection method. It all depends on the type of model as well as the mold making materials and techniques being used.

However, what is common to most mold making forms is the use of a mold box or container. This is nothing, but a kind of containment field that works to enclose the model and also the mold making material till it cures properly. Else the material may just flow out! Even if this is not the case, the box helps in forming a supportive flange around the mold.

Following is a dekko at how to make a mold box:

• A mold box is generally made of cardboard. Some artists prefer using wood, acrylic or plastic. A few even opt for a modeling clay box itself. You can use an existing cup, pan, can or bucket also, provided it suits the dimensions of the model. You are limited by your creativity as a few artists even use kids' building blocks to assemble the mold box! Reusable and adjustable mold boxes are also quite popular.

• The configuration of the mold box needs to be at least slightly more than the model. There should be ½ to 1 inch space all around the model after it is placed inside the box. The space you allow will be equivalent to the wall thickness of the mold later. The height

• Use a flat baseboard of cardboard, wood, plastic or acrylic that is twice the size of the model. Secure the model on the base so that it does not move and disrupt the mold later. You can use hot glue, epoxy or even screws.

• Cut and assemble retaining walls around the perimeter of the model to make a box. Use hot glue or duct tape to attach the walls to the base and also the seams where the walls meet one another.

• Some artists further clamp the walls together with clips or apply clay along the outside of the box to further reinforce it and avoid leakage.

The mold box is ready. Proceed with the mold making and gently pull the retaining walls of the box away only when the mold is properly cured. The mold and model can be removed now. For two-part molds, the same box can also be sued to make a mold of the other half of the model.

Once the mold is done, you can move to casting as per your choice. The cured, demolded and finished artwork should be displayed on a suitable mold along with name plates engraved affixed or screwed on it. The name plates engraved will lend a high-quality and gallery-like finish to the artwork, raising it from the mundane to a truly splendid creation.

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