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Old 08-22-2019, 05:48 AM
tidal tidal is offline
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any1 impart wisdom on plaster paris how it behaves as a medium?

Am very excited about using plaster of paris and different paints have in mind a painting/sculpture hybrid of sorts..However am not familiar with the medium of plaster of paris and wondered if it would suit what I have in mind am asking so as not to go out and purchase a whole array of different mediums (ie gesso gels/chalks etc) they are so expensive so thought best to ask ..
can plaster of paris be used in a way that for example if you had a solid block of it about size of a small toaster could it be sliced right through the middle at all? would it be able to produce a clean cut or is it too unpredictable? How long is the open time in terms of working with it being malleable before it goes hard is texture grainy/smooth can it be mixed with anything to alter it's structure? any takers..interested in anyone who works with it and what they do with it

Last edited by tidal : 08-22-2019 at 05:54 AM.
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Old 08-22-2019, 11:26 PM
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KreativeK KreativeK is offline
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Re: any1 impart wisdom on plaster paris how it behaves as a medium?

I sure do not know, sorry. I guess you could experiment with it and see how long an open time it has.
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Old 08-23-2019, 04:00 AM
tidal tidal is offline
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Re: any1 impart wisdom on plaster paris how it behaves as a medium?

THANKS for replying as the tumbleweed has just rolled past for the third time lol...was thinking to just try it however I have in mind a specific viscosity for want of a better word so it will behave how I want it but I know it will mean purchasing a whole aray of different types of chalks gels plus plaster of paris in order to experiment and I am familiar with the cost (gulp :/) even a small bag of say Kaolin clay for example and other types of things like that

Love your website by the way beautiful work
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Old 08-26-2019, 09:56 AM
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Cyndi L Cyndi L is offline
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Re: any1 impart wisdom on plaster paris how it behaves as a medium?

The only thing I really know about is that it sets up pretty quickly. I saw pieces of artwork that were 100s of years old this past week in London, but that's all I know!
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Old 08-28-2019, 11:47 AM
tidal tidal is offline
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Re: any1 impart wisdom on plaster paris how it behaves as a medium?

thanks Cyndi from what I research it can present air bubbles and is not hard wearing...have been looking at all sorts of powders experimenting just adding them to pigment and binder and see what they do how they feel to work with and how they behave..there are many different products out there to make paint into whatever viscosity you want but it's good to experiment I feel
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Old 09-01-2019, 07:01 PM
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Re: any1 impart wisdom on plaster paris how it behaves as a medium?

I haven't tried plaster of paris but I use pre-mixed joint compound, (for drywall work), and palette knives for texture and then paint over it with acrylics when dry. I haven't tried mixing it with paint but I use it in combination with clay to do sculpturey type paintings. I have pieces that are over a year old and have shown no signs of cracking and it seems to stick to anything. Lately I have been using Sculpey for bits and pieces on paintings. If you need them on the thicker side it can be rolled out and put over a form made of crumpled foil, worked with modeling tools and baked in the oven for 15 minutes then glued in place.
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