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Tips, Techniques, and Questions -- Technical questions or tips

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  #1  
Old 2013-08-04, 8:11pm
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Default Hole in Soft Glass

When I make marbles out of soft glass, occasional there is a hole in the side of them. What causes this? I try to melt it in, but that doesn't work. I'm guessing that it is caused by something in the glass. Or is it a bubble that blew out the side. Sometimes it is on the design, so trying to pick it out would mess up the marble. But, I'll end up making frit out of it anyway.
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  #2  
Old 2013-08-04, 8:57pm
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I think it is a bubble that blew out. I'm not positive but I've seen it on some I've made as it happened and had to really work to get them to melt back together.
Pretty marble!!!
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  #3  
Old 2013-08-05, 3:37am
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pinpoint flame and sharp tweezers.
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Old 2013-08-05, 4:14am
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If you want to melt the hole in, put your flame AROUND the hole, rather than focusing ON the hole. You need to heat the glass all around the sides of the hole to get that glass hot enough to flow into the area of the hole and fill the area in with glass.

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Old 2013-08-05, 11:57pm
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Good tip Sue, I usually dot some glass on top I'll try your advice next time.
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Old 2013-08-07, 7:46pm
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Thanks for all the tips. I'll try them out.
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Old 2013-08-07, 9:26pm
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Quote:
Originally Posted by Ravenesque View Post
Good tip Sue, I usually dot some glass on top I'll try your advice next time.
Dotting it risks trapping air in there a second time and having it just blow out again, been there

Heating around it's generally the best way.
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Old 2013-08-07, 11:07pm
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I've found that out! I never thought to do it the right way.
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