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Visual Effects Society Handbook by Susan Zwerman, Susan Zwerman, Jeffrey A. Okun

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Purpose-Built Rigs

Every motion control equipment supplier has a pile of one-off rigs that were built for a particular shot or to solve a particular problem. If you have an oddball shot, it is worth asking your motion control supplier if he or she has a rig that can accommodate the shot. Most motion control suppliers are quick to rise to a new technical challenge.

Motors and Sound

The two types of motors commonly used in building motion control equipment are stepper motors and servo motors. From the VFX Supervisor’s point of view, the main difference between them is that servo motors are virtually silent, while stepper motors emit a variety of harmonic sounds at different speeds. While the choice of motors is only one of the factors affecting ...

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