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Posts Tagged ‘glass gather’

final-flowers-2

Glass flowers made by AAI students at Holdman Studios.

During the 2016 fall semester at American Academy of Innovation, I started out in a bare science classroom without any lab stations or sinks. This was a challenge, but also an opportunity as I got the chance to design my own lab. Once I had finished the design and the architects rendered their version of it and the bids came back, it was late October. By the time the cabinet makers were ready to install, it was the week before Thanksgiving. I moved everything into the center of the room and covered it all with a large green tarp for the duration of the construction. I moved my classes into the school library for three weeks.

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Glass flowers made by students at AAI. Mine is the red one with blue edges at the bottom right.

Since my STEAM it Up class couldn’t build sculptures or do tie dyed shirts or other such projects in the library, we took the three weeks to learn video filming techniques. I also set up a tour of a local glass studio. We researched the processes of glass blowing and the students wrote up a basic script and filmed the narration.

gathering-glass-from-crucible

First step: Gathering molten glass onto the puntil rod from the crucible.

Now I have done this before, as reported previously. I took a group of students from Mountainland Applied Technology College to Holdman Studios in 2009 to document the processes of glass blowing and stained glass artistry. The blown glass video was edited into a short description of the process which can be found here on YouTube (https://youtu.be/0TyDqZCGkpI ) and on my video page in this blog.

shaping-the-gather

Step 2: The molten glass is shaped on a metal shelf next to the crucible.

This time I wanted to get additional footage and give my new students a fun experience, so I set up a class for them to learn how to make glass flowers. These are simpler because they only involve stretching the glass, not blowing, so each student who wanted to pay the fee could make their own.

cullet-for-first-gather

Step 3: The glass is rolled in colored cullet or frit to produce the interior stem color.

We traveled down to Thanksgiving Point to Holdman Studios on November 30, 2016. We signed up and chose our colors. I set up some video cameras to record the process and explanation. A puntil rod is used and not a blowpipe since no blowing is needed.

Here are the steps for making a glass flower: A pre-heated puntil rod is used to gather the molten glass from the crucible, where it is shaped into a cone on a metal shelf.

rolling-first-gather-brielle

Step 4: The first gather is balanced by rolling it at the rolling station.

Colored cullet or frit is added to the molten glass by rolling it through the frit on the marver table. The rod is rolled to get the glass to the desired balance. A second layer of glass is gathered at the crucible and a second color added at the marver table. The first color will be the interior or stem of the flower, the second will be the outside edge or petals of the flower.

second-gather-cullet

Step 5: A second layer of molten glass is added and shaped, then rolled in a second color of cullet to create the flower petal color.

The student at the rolling station then uses forceps to pull out the molten glass into a flower shape. If the student is too cautious or takes too long (like me) the glass may cool too much to be pulled and must be reheated in the glory hole.

flattening-the-glass-me

Step 6: A flat paddle is used to flatten the molten glass agains the puntil rod, to allow for a hollow stem in the flower. I am wearing gloves and a fireproof sleeve to prevent my arm from getting burned. The glass is very hot.

pulling-out-flower-drew

Step 7: The student begins to pull out flower petals from the molten glass.

Once the flower shape is done, the flower is pulled out along the axis of the puntil rod to form a stem, which is either kept straight or twisted up depending on what the student wants. The glass is scored and knocked off the puntil, then fire polished with a blowtorch and placed in an annealing oven for 24 hours to gradually cool down.

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Step 8: Working quickly around the flower, the student continues to pull out the glass to make the flower larger. It feels like pulling taffy.

Six students and two adults, including myself, made flowers. They turned out very well. I had to return two days later to pick them up, and the colors were amazing as seen in these photos. Mine is the flower with a red stem with blue petals, which I gave to my wife as a Christmas present. The process was tricky but fun. I had to wear gloves and a fireproof sleeve to prevent my arm hairs from singing. The glass felt like pulling taffy. I highly recommend that you try this out if you get a chance.

glory-hole

Step 9: If the glass begins to cool (as mine did because I took too much time to pull it), the piece must be re-heated in the glory hole.

We got some good photos and video, even though lighting conditions in the studio are challenging (there is a strong backlight). Audio is also a problem as the glory hole and fans are noisy. But I can hear the explanations well enough to at least transcribe the footage, and record new narration over the top when I finally edit all of this together into a longer video.

pulling-out-stem

Step 10: Once the flower shape is done, the flower is pulled away from the puntil along its axis to create a stem for the flower. The first color of cullet becomes the stem color.

If you want to schedule your own lessons to learn to make glass flowers or even blow your own Christmas ornaments, here is the link to the Holdman Studios page:

https://www.holdmanstudios.com/hotshop-classes/

spinning-the-stem-noah

Step 11: If the student desires, the puntil rod can be rolled to twist up the stem.

fire-polish-me

Step 12: The glass is scored with forceps, knocked off the puntil rod, then placed on fireproof cloth and fire polished with a blowtorch, as I am doing here. The flower is then placed in the annealing oven (at left) to slowly cool down over 24 hours.

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Some of the students at American Academy of Innovation who made glass flowers at Holdman Studios.

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Displays of glass at Holdman Studios. In addition to classes for making glass flowers, the staff also holds classes for traditional glass blowing including making Christmas ornaments.

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