Battles With Bits of Rubber

Battles With Bits of Rubber

This podcast is a joint venture with Stuart Bray and Todd Debreceni. It's all about the making of stuff for makeup effects and prosthetics. Todd is author of 'Special Makeup Effects For Stage And Screen', what many consider to be the modern makeup FX bible. Stuart Bray is a working makeup FX artist with many years experienc. Credits include 'Saving Private Ryan', 'Shaun of the Dead', 'Dr Who' and more recently 'Game of Thrones'. If you have any FX questions you would like to see made into a featured blog post, then get in touch: Show More
June 21, 2020 65 min

Closing moulds correctly is vital to get good casts out of them. There seems little point in making a good mould and then getting bad casts out of it.

In this episode we chat about things to consider when looking at ‘mould closure’. Essentially, a mould other than a flat or open mould will usually need to be attached or fitted to another component to produce a cast.

This could be another part of the mould if a ‘multi-piece’ mould is made and/or a core which will be placed into the mould to create the interior.

These pieces need to remain securely in position, and may be required to exert a lot of force if the cast piece needs to have thin seams which are more easily repaired.

That has cost implications - think about having to repair bad seams of fifty casts out of a mould which wasn’t closed correctly!

Small block moulds are often clamped together for speed and convenience, but what happens if the mould is huge, such as a full body or a dinosaur?

This episode has another hefty set of notes to help make sense of it all. It is picture heavy and goes deeper into what to look out for.  Get them here or the blog post for this episode



Many thanks as always for your time checking the stuff out. You can email us direct at or leave us a voice message directly on our site.

If you enjoy this podcast and got something out of it, would you do us a solid and tell just one more person about us? Send them a link and help us grow!

-Stuart & Todd
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