Molds can be made of rubber, steel, clay, brass, wood, plastic, lead, and even sand, and people use them to cast objects ranging from 40-foot bronze Buddhas to microscopic cell structures. This article focuses on casting small objects in rubber, which is a reliable technique that’s employed throughout the film and special effects industries, as well as the jewelry industry.

Photograph courtesy of Adam Savage


How the pros replicate objects.

By Adam Savage

In principle, moldmaking is a simple process, but with every object you want to replicate comes a new series of pitfalls, innovations, and solutions.

This article explains how to make ...

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