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Hot Shop
Glass Blowing Class

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Welcome to the Hot Shop where we blow glass. Here you can see the furnaces (Glory Hole) and the cruciable where the glass is kept in a molten state.

 

 

 

This is the cruciable with the clear molten glass. You have to wear sunglasses when you open the door and get glass out of it or you can't see anything but bright orange.

 

I've gathered up some clear glass and am now heating it up so I can add color to it.

These furnaces are called 'the glory hole' because of the glow from the hot lining inside. These run about 2000 degrees inside.

Notice how everyone is wearing sunglasses all the time. That's pretty normal, as most of the time you're looking into a glowing box or staring at glowing glass.

Now I lay the hot glass onto colored glass chips so the vase will have colors.
Time to start shaping the glass so its looks like a cylinder. Next we'll 'block' the glass blob and shape it so it looks like a colored lightbulb.

Closeup of hot glass with color chips melted into it. This is what gives a vase its color.

Shane explains how to work the glass - sort of (he uses his hands to express himself alot).

Audry shapes her colored glass into the bulb shape we start blowing from.

The large wooden spoon is kept soaking in a bucket of water so it won't catch on fire when we use it on the glass.

I've finished shaping my glass blob, which will turn dark blue and lime green when it cools, believe it or not.

Next is blowing the bubble in.

Audry blowing the initial bubble into her colored molten glass blob. This is usually the hardest part.
Audry blowing the bubble a little larger.

Audry shapes the glass with a large bubble blown into it. Next we stretch the glass and start adding detail points.

 

I'm shaping the hot glass with giant tweezers called 'Jacks'. This will be a tall vase with a rounded bottom when we're done.

Other tools like shears and wooden padels are set near the bench.

More shaping. Shane holds the pipe end up so the glass will stretch while I add the jack line.

The jack line I'm working on in the photo will be the break off point when we transfer the glass.

Shane blows while I control the bubble in the middle and shape the area that will become the foot on the bottom of the vase.

Shane heats up the glass while I get the newspaper ready.
We've blown the vase so the foot is no longer defined and needs to be fixed. You can add edges with finger pressure.
Trying to control the bulge on the end. Next we flatten the bottom and add the punty (second metal bar) and transfer the glass over for finishing.
Taking the glass off the blow pipe so we can finish shaping it.
We add a little water to the jack (score) line. One tap after that and the glass breaks off the blow pipe and is transferred over for finishing.
Mittened Up to put the hot glass into the anealing box.

Putting the glass away to cool slowly.

This is a bank of annealing boxes (ovens) against the wall. Glass has to cool over a 24 hour period or it breaks.

The glass we did today will be ready to pick up at next week's class.

Last week's glass work
Blue vase and Orange/Red vase
Clear Vase
 
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