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Using slumping molds with a smaller piece of glass

For discussion of processes related to using Bullseye glass, including kilnforming and kilncasting, torchwork, blowing and stained glass.

Using slumping molds with a smaller piece of glass

Postby yeruchem » Wed Jul 11, 2018 7:20 pm

Again a newbie question for which I cannot seem to find an answer online.

Is it possible to slump on a mold with a piece of glass that is smaller than the mold? For instance, if I have the Bullseye oval slumping mold that is 10.9 x 4.5 and my glass is 9.5 x 4, will I be able to place my glass onto the mold and it will form to the mold without detriment? (Or a channel plate that is 17.1 x 4.8 and the piece is 12 x 4) Any additional suggestions are appreciated. Thanks.
Fraida
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Re: Using slumping molds with a smaller piece of glass

Postby marykaynitchie » Tue Jul 17, 2018 1:30 pm

You came to the right place! Please enjoy this QuickTip article, "Multitasking Molds":

http://www.bullseyeglass.com/methods-id ... molds.html

Also, Bob Leatherbarrow has experimented with blanks that are slightly larger than the molds (with a 1/4" overhang) and that works fine, too, because the edges of the glass pull in as the center slumps into the concavity of the mold.

Mary Kay
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Bullseye Glass Co.

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