From: "Kismet" <kismet-AT-bigpond.net.au>
To: <puptcrit-AT-lists.driftline.org>
Date: Sat, 13 Jan 2007 13:33:39 +1000
Subject: Re: [Puptcrit] Plaster moldmaking tips?


You ever tried plastic shims? Ice cream lids etc cut to size? There is a 
plastic shim available with the key registrations embossed in...usually for 
silicon molds but works for plaster.
Just occured to me though, if you are using oil based clay for the plug and 
water based clay for the walls....why build a wall? just lay a strip of 
about 60-90mm wide clay as thick as the wall was going to be tall....or if 
its small enough encase the whole plug with clay where the plaster isnt 
wanted? You would only use a wall or shim when working with water based clay 
only......just a thought
D.
----- Original Message ----- 
From: "Mathieu René" <creaturiste-AT-magma.ca>
To: <puptcrit-AT-lists.driftline.org>
Sent: Saturday, January 13, 2007 1:32 PM
Subject: [Puptcrit] Plaster moldmaking tips?


> Hi all.
>
> If anyone has tips to help me speed up the clay wall process for 
> moldmaking with plaster, please forward to me!
>
> I'm still making the mold for my hand puppet contract.
> The hands mold is two-part(both hands included in same mold)
> and the head mold will be three parts (separation line in the middle of 
> the face, and the other one isolating the back of the head.)
>
> I had a lot of problems during the making of the mold, which was actually 
> less than I had in the past, despite the fact that this one is the most 
> complex I've ever made (clay walls). I must be learning something. Or not. 
> I have not seen the inside result yet. There might be air bubbles. I can't 
> know until tomorrow, I ran out of plaster before I could mold the back of 
> the head (part three).
>
> But I still found a good idea that I want to share: often, when we mix 
> plaster and judging it "by eye", we have extra plaster we think we have to 
> throw away. We do not have to. I used a carboard box and poured my extra 
> quantity in it. I'll keep the box close by for everytime I mix plaster. 
> Soon, I shall have a plaster slab. Useful to condition clay, or to wick 
> extra moisture from paper clay. Or to sculpt directly into a bas relief. 
> Or to use a heavy base for a sculpture or diorama. Endless possibilities!
>
> If anyone has tips to help me speed up the clay wall process, please 
> forward to me!
> It took a LONG time to build the walls, make them smooth on the edges, and 
> clean up the waterbased clay from the oil-based clay model, once the first 
> part was casted.  Thank goodness there was that difference of bases, it 
> helped.
>
>
>
> It took a LONG time to build the walls, make them smooth on the edges, and 
> clean up the waterbased clay from the oil-based clay model, once the first 
> part was casted.  Thank goodness there was that difference of bases, it 
> helped.
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