So I got my Microwave Kiln out again

So I got the kiln back out again today.

I decided to start off with something a little more adventurous in my glass making today. I took bloody ages to cut all the glass only to discover that the green glass isn’t compatible with the microwave kiln.

How did I find this out? By nearly blowing up my microwave. Oops. I left it for a bit and it seems to be working okay again now.


My second attempt, black, blue dichroic and clear with a channel filled with fibre blanket to make a stringing hole.


Can you believe that I used to ruler to measure these out “to the same size” ( I need a Morton Portable Glass Studio I think.


The paler bit of orange is the molten glass


You can see it a bit better there.


I think some nasty fumes come out of it judging by the dirty marks. Eugh.


If you look through the hole you can see the pendant annealing (this is a slow cooling process that strengthens the glass.


And there it is. However, the layers haven’t fused together as much as I wanted.


you can still tell that it’s three seperate bits of glass. So back in the microwave it goes.


After the second firing it looks a bit like this. The bottom two layers are more fused but the clear layer is still a bit bobbly and I want a nice seal all the way round.


You can tell better from this angle.


So I put it in for a third firing and although it still isn’t quite how I wanted it I’m still quite pleased with the result. I think the trick is to make the top bit of glass about a mm wider than the bottom layer. Maybe also use 2mm glass instead of three as it melts quicker.

But it’s still all a learning process.

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