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@comments8 I have a large Skutt glass kiln and am using a slow fuse program. do you suggest I add more time to the heating segment? It happens to both small 4x4'" pieces and 10x10" pieces. And then is there anything I can do to fix it?

@Lynn.mueller When working in the microwave kiln or any kiln for that matter. When glass gets hot quickly it can trap air. In a standard kiln we do what's called a bubble squeeze however for the microwave kiln since you can't program it you could try running it for a short time then adding more until you achieve the desired fuse vs doing 1 quick firing. This should allow air to get out before the edges heat and seal it in.

I m having trouble with my glass fuse with bubbles all around my middle glass. How do I avoid this? How can I fix it? Lynn

@dibray I always frame with 90 degree corners to make a space to solder the rings into. Open the rings a bit so one side of the ring will fit in each side of the hole made.

I am making a window panel which will be 22 x 22 inches. If I use zinc came around the edges, should I miter the corners or do 90 degree corners? Also what size rings should I attach and should tgey be attached to the zinc or in a bit on a soldered joint?

@ If you are using micro thin or single strength clear the 1/4" Round U Lead Came

@ What is your firing schedule and COE of glass you are using?

@comments4. Thank you, you answered my exact questions. I've already trimmed and numbered my cluster and centered it on the template but I was struggling with whether or not to tack solder. Now I can go ahead, validated by your comment, great confidence builder. I've worked in stained glass for years but never did anything with a bevel so getting answers to my exact questions was great, thanks!

I'm using 96 Spectrum glass.

@Debra K. We usually recommend silicone to hold the glass into the wood frame. The advantage is that silicone doesn t totally harden so it allows for a little movement between the wood and the metal came. We use dots of the silicone, instead of using a continuous bead, to hold the glass in. That way it is easier to remove down the road in case you have to for some reason.