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making a negative plaster mold by Alyssa-Ravenwood making a negative plaster mold by Alyssa-Ravenwood
Ravenwood Masks [link]

Making a negative mold out of #1 Pottery Plaster for casting a neoprene mask.

Sculpture made from WED clay over a 1/2 face hydro-cal lifecast.

You can also use this kind of mold for paper mache casting or latex casting.

This photo is for entertainment. It is not intended as a tutorial. There are far too many steps left out for this to be a useful tutorial.


Photos by Ravenwood Masks [link]
Completed mask photo by Dar Totten
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:iconmelted7:
melted7 Featured By Owner Feb 27, 2012  Hobbyist Traditional Artist
thanks for the tips.
Reply
:iconalyssa-ravenwood:
Alyssa-Ravenwood Featured By Owner Feb 27, 2012  Professional Artisan Crafter
You're welcome
Reply
:iconblingblaojuntao:
blingblaojuntao Featured By Owner May 27, 2010
Oooooo i should try pottery plaster. How do you remove the excess from the cast? Also, how do you remove any excess from the inside to make it fit?
Reply
:iconalyssa-ravenwood:
Alyssa-Ravenwood Featured By Owner May 30, 2010  Professional Artisan Crafter
I suggest this book for basic mold making technique - Prop Builder's Molding and Casting Handbook
by Thurston James
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:iconblingblaojuntao:
blingblaojuntao Featured By Owner May 30, 2010
Yes yes. Will do. Thanks for the tip.
Reply
:iconalyssa-ravenwood:
Alyssa-Ravenwood Featured By Owner May 31, 2010  Professional Artisan Crafter
No prob. His book on mask making is also very good.
Reply
:iconliminalmask:
Liminalmask Featured By Owner May 25, 2010
Thank you very much! Have you used oil-based, non-drying clay for this process? What's your opinion of this material? Hope you don't mind if I pick your brain a bit.
Reply
:iconalyssa-ravenwood:
Alyssa-Ravenwood Featured By Owner May 25, 2010  Professional Artisan Crafter
Yes, I have. I prefer to use water based clay.
Reply
:iconliminalmask:
Liminalmask Featured By Owner May 23, 2010
This is a technique I use as well, though not as well-- still learning! A question: in step #2, is that a mold release agent you're applying? Or a thin layer of plaster? Thank you in advance.
Reply
:iconalyssa-ravenwood:
Alyssa-Ravenwood Featured By Owner May 24, 2010  Professional Artisan Crafter
Hi, no mold release is needed. That is an impression coating of plaster brushed on with a chip brush. Follow each section IMMEDIATELY with a thicker layer of plaster before the impression coat has a chance to dry.
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