Eliminating Estimation in Material Calculations

Why should artists rely on guesswork about the quantity or volume of materials required for making a mold or cast? EnvironMolds provides a Volume Calculator that throws up the exact amount needed.

There’s a lot of planning and coordination that goes into making a mold or cast. The artist has to not only choose the most suitable technique and material for making the mold/cast, but also assemble the requisite mold making or casting materials, supplies, tools and equipment.


For instance, making a block mold with silicone rubber will require plastic cups, gram scale, mixing sticks, electric mixer, mold box, release agent, glue gun, vacuum chamber and pump, gloves, knife, silicone rubber, etc.

While the artists pay careful attention to the requirements and collect the items before commencing the project, they rely on eyeball estimations for the amount of material they need to purchase or mix. For instance, if the artist mixes much more silicone rubber than actually required, the extra rubber will have to be thrown away – a sheer waste of money and resources. And if the rubber falls short, it will entail extra work of mixing more material or even rushing to the store to buy some more. The delay can even cause the artist to leave the project midway or if continued, mar the quality of the mold.

Newbie mold makers and casting artists are especially flummoxed about the amount of material they should use.

EnvironMolds comes to the rescue with a handy volume calculator on its website https://www.artmolds.com/volume-calculator. All the artist has to do is measure the dimensions of the mold box and model before feeding them in the calculator. A square or rectangular box requires the height, width and depth while cylindrical ones need the radius and height. The same rule applies for rectangular and cylindrical models respectively. Undercuts in the model can be ignored and the maximum outside dimensions will do.

This will throw up the net volume of the box, the model and finally the material needed. The calculator goes a step further and converts the net volume into the exact amount of rubber, plaster or resin required in grams or fluid ounces, as applicable.

For those who are looking for more detailed information on how to make molds and casts, EnvironMolds provides instructional books, videos, website links and blog posts as well.


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