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Has anyone had a fusing mold sag? I have an 8" plate mold which I have used before with no problem. Recently, I slumped a two layer piece at 1400 degrees for 20 minutes, combining the fusing and slumping. There was a bubble in the middle, because the two vent holes had become plugged by the gla...

Little bit of a topic drift, but Bullseyes change to anneal hold at 900 still has me scratching my head. The glass did not change.....they used 960 for 20 years. Were they suggesting the wrong temperature for 20 years. Not that it makes a huge difference. The only place it makes a huge difference i...

Well, the 1/8" overhang is in your book, but I can see that it would work better with a single top piece. Better to have the smooth edges and expect to need to smooth off the bottom edges a bit, I guess. And, yes, the line is between blue and red, so I'll be aware of that for future projects. T...

I couldn't find any reference to this, but I must not be searching with the right words. I am making a small 5" square dish with Spectrum 96 glass. The base is white, and on top of the base are six rectangular pieces forming two rows of three pieces each. The top pieces are large enough that th...