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Modifying a slumping mold

Posted: Mon Apr 17, 2023 2:43 pm
by makeart365@gmail.com
I have a large (20”) ball mold I would like to make undulate on the side surface. It would only need a few areas bumped in to make it more organic. Can this be done with fiber paper or ???
Thanks, Linda

Re: Modifying a slumping mold

Posted: Mon Apr 17, 2023 3:18 pm
by Brad Walker
Fiber paper will work.

Re: Modifying a slumping mold

Posted: Mon Apr 17, 2023 4:32 pm
by makeart365@gmail.com
Fiber paper is so thin I don’t know how I would get any raised fluted shape. Is there something to build up the surface under the fiber paper?
Thanks!

Re: Modifying a slumping mold

Posted: Mon Apr 17, 2023 7:25 pm
by Brad Walker
Fiber paper comes in thicknesses from 1/32" to 1/4". You may be thinking of thinfire paper, which is much thinner.

You could also use fiber blanket, which comes in thicknesses from 1/2" to 4".

Re: Modifying a slumping mold

Posted: Fri Apr 21, 2023 11:01 pm
by JestersBaubles
These were made in 5" ball surface molds. I used SilkMatte. It works fine for larger pieces as well.
DSCN3659edited-small.jpg
Best, Dana