File puptcrit/puptcrit.0606, message 121


To: <puptcrit-AT-lists.driftline.org>
Date: Sat, 10 Jun 2006 13:50:51 -0700
Subject: Re: [Puptcrit] Smoothing Plastalina like clay!


I am guess I am just a big Sculpey fan(junky) and have been using it for 
about 15 years.    I use a solvent to smooth it and it can create a shell 
over your work, I kinda like that.   Also, I have stuck my sculptures in the 
freezer to get a harder surface to carve on, if I need it.  Also, clean 
release from molds as well.


A note...I just picked up a large, heavy duty drafting table and some round 
tables for FREE.  Check this out, I called up a school and they had just did 
a remodel of the "shop" program.  They said I could take anything I needed. 
So call your local school district and see what they might have available.

Cheers,

William



----- Original Message ----- 
From: "Mathieu René" <creaturiste-AT-magma.ca>
To: <puptcrit-AT-lists.driftline.org>
Sent: Saturday, June 10, 2006 1:13 PM
Subject: Re: [Puptcrit] Smoothing Plastalina like clay!


>> I still prefer to use my fingers to smooth out clay, and then sand paper
>> on
> a cast head.  I wonder if Citrus Solvent (what brand?) or any other would
> have an affect over time on the quality of the clay?  Would it be changing
> the oil content?  And would I want to breathe in a solvent?
>
> Robert Rogers
> www.robertrogerspuppets.com
----------

Hi Robert.
Good points.

As with most methods, it is a matter of choice.
I chose oil-based clays because the advantages far outweighed the
disadvantages. But that meant I would have more difficulties smoothing my
models than with waterbased clays. An option had to be found, as water and
even 70% alcohol worked too slowly on the oil-based clay.
This citrus worked like magic, even better than water on "natural clay".

I still smoothed with my fingers, but wearing vinyl gloves. The wrinkles
rarely got in the way. Most smoothing was done with the brush anyway.

Solvents have been used for smoothing plastalina (and other oil-based clays)
for many generations of fine artist, and still are today.
Check out the model builders for the movie industry.

Just as in oil painting, the solvent makes the targeted components react in
a certain way. On plastalina, the solvent seems to dissolve the mineral oil
and or wax temporarily, making it easy to move around. But only on the
surface. It only affects a subtle film on top. So far I can see no hardening
or cracking of the clay on the surface.

Some artists use even stronger stuff, like a solvent in a spray which I have
not been able to find more info on. The sculpting DVDs from John Brown on
the Gnomon Workshop are promoted using excerpts, and one of them shows him
using what he calls "freespray". Can't find any info about it on google for
now.Toom any products are called like that. That spray litterally melts the
surface of the clay.
He also uses a mini burner, probably alcohol based, to alter the surface,
and smooth some areas without touchin them.
A mini torch is used by many as well.

A pharmacist reccomended me to try 94% alcohol (the "drinkable type sold in
liquor stores) as a solvent, since he was out of  the ethanol I was
enquiring about. I'll pass. I don't like the smell of alcoholic beverages.

The citrus solvent I used is much less toxic than other solvents.
It is a house brand from the inedpendant store I buy my pigments at.
A well-known commercial brand of citrus solvent: Eco House.
Still requires proper ventilation. I'm very sensitive to solvents (instant
headaches or dizyness), and this one does not seem to affect me at all. I
couldn't be certain of the effects if any, since I am not in my normal
healty state anyway. I have a very strong sinus cold these days, or a
bronchitis, I'm not sure. And no, it has nothing to do with art supplies, as
it started before I started working on this project.
Although I'm being careful, not to aggravate my situation.






Mathieu René Créaturiste
Marionnettes, Masques, Etcetera...
Puppets, Masks, Etcetera...
www.creaturiste.com
creaturiste-AT-magma.ca
(514) 274-8027
----- Original Message ----- 
From: "Robert Rogers" <robertrogers-AT-frontiernet.net>
To: <puptcrit-AT-lists.driftline.org>
Sent: Saturday, June 10, 2006 9:56 AM
Subject: Re: [Puptcrit] Smoothing Plastalina like clay!


>
>>I used Citrus solvent and a short, semi firm synthetic brush (taklon
>>fibers) . It >really works! It does wonders everywhere, and the eyes which
>>were giving me >the most trouble became very smooth and precise.
>
> I still prefer to use my fingers to smooth out clay, and then sand paper
> on
> a cast head.  I wonder if Citrus Solvent (what brand?) or any other would
> have an affect over time on the quality of the clay?  Would it be changing
> the oil content?  And would I want to breathe in a solvent?
>
> Robert Rogers
> www.robertrogerspuppets.com
>
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