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Olivier Duhamel
Joined:
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25-Feb-2009
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Started On : 14-May-2009 at 12:14:23 AM, #Views : 5970
Topic Subject : Re: Lifecasting help |
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Hello Ben,
I only have slighthly more experience than you but I think I can help with at least one of your problem...
"undercut areas, like under the breasts, are misshapen."
In my experience there are three reasons causing this... even a combination of three.
1: Pushing too much alginate under the breast. This will lift the soft breast in places and modify the curve of a natural fall... not a good look, I agree.
2:Applying too much alginate on top of the breast. The weight will press it flat against the chest... Your customer may not be very pleased...
3: Trying to fill undercuts with too much alginate will cause it to sag under its own weight before you apply the plaster shell and create a cavity between the model's skin and the mold.
In all cases the trick is not to use too much alginate... and then make sure the shell is tight against the alginate skin but without applying too much pressure either.
I hope this helps.
I am sorry I have never used accu-cast and have never seen the patterns you describe..
Good luck..
Olivier
Have a quick question for you more experienced artists out there...I have only begun to lifecast in the last month or 2. While most of my pieces come out good, some of them, especially the female torsos, come out with a pattern that resembles the surface of a golf ball. it seems to be wavy and covered in small divits. I am using accu-cast 880 as my alginate. I then use cut strips of burlap dipped in plaster to make the shell. Plaster bandages don't seem to be strong enough, they always seem to move on me. It also seems like undercut areas, like under the breasts, are misshapen.Don't know what I am doing wrong. Does anyone have any suggestions?
Thanks!
Ben Larson
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