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 11, 2020 71 min

Cutting edges are the point at which a core meets the mould, and is crucial in creating a fine edge for many appliances.

In flat moulds, there can be something similar even though a core isn’t involved, as it establishes where the appliance actually stops and the skin begins.

A cutting edge and overflow are critical in foam appliances, especially where a mould has foam latex added and a core is pushed into it. A gap between the core and the mould face would ensure the excess foam could escape, and the contact point where the mould meets the core would be decided carefully and precisely.

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This principle has carried on with silicone, although usually excess waste is minimised owing to the fact silicone isn't mostly made of air, as is the case with foam latex.

Wherever the core meets or touches the mould - be it keys, the cutting edge or an unintentional, is known as a touchdown. Getting great edges is important in making pieces which will blend into the skin and appear as part of it, rather than exhibiting a clear boundary where the fake stops and the real begins.

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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