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01.

Stringers and Spacers

This project came directly from an ebook called Fused Glass Bubble Sorcery. Though it called for a final plate size of 6″ x 8″, I wanted an 8″ x 8″ square so adjusted the glass sizes accordingly. For the blue lines I used Bullseye Turquoise Blue Transparent 2mm stringer. For the green I used Spring Green Transparent 2mm stringer. The small pieces of yellow glass are used as spacers between the stringers. By standing them on edge, two together, the 3mm thickness of the yellow glass translates into a consistent 6mm space between the stringers.

Stringer and Spacers
02.

Make It Larger

The initial size of the clear Tekta base is 8″ x 10″ because I’m going to need to cut an inch from either side to get rid of the edges with the yellow spacers. Two identical constructions are needed for the final effect. Here they are in the kiln ready to be tack fused. The bubble part of the final project depends on not going to a full fuse yet.

Ready to Tack Fuse
03.

Tack Fused

The spacers have melted and deformed but kept the stringers — also melted and stuck to the clear glass — equally spaced.

Tack Fused
04.

Bubble Sandwich

After cutting off the edges that had the spacers (by scoring the smooth side of the clear glass and using a pair of running pliers), I flipped one over, rotated it 90 degrees, and put it on top of the other. The stringers criss-cross each other and the spaces that they border will hold air when the top piece melts onto the bottom.

Bubble Sandwich
05.

Clean Edges

Here’s a view from above where you can see the final pattern that will form. I don’t know the color of the two pieces of transparent red stringer since I took them from a tube of assorted colors.

View From Above
06.

Into the Kiln

The two sandwiched pieces go back into the kiln for a full fuse along with some other projects.

Ready to Fuse
07.

Ready to Slump

I never remember to photograph the fused piece before I slump it! But here it is on the Square Slumper A mold (8635). Because the edges of the two halves of the bubble sandwich were so clean and matched so well, I didn’t coldwork the piece. I liked the rounded edge that fusing gave the piece.

Ready to Slump
Results

Final Result

If you click on the image and zoom in, you’ll see that the bubbles are almost identical in size. All in all, this was a really fun project and I’ll definitely do another.

Finished
With Grapes

TACK FUSING SCHEDULE (RUN TIME 8:49)*

SEGMENT RATE (deg F / hour) TEMPERATURE (F) HOLD (hours:minutes)
1 300 1000 0
2 225 1225 :30
3 AFAP 1400 0
4 AFAP 950 1:00
5 100 725 OFF

FULL FUSING SCHEDULE (RUN TIME 13:31)*

SEGMENT RATE (deg F / hour) TEMPERATURE (F) HOLD (hours:minutes)
1 150 1000 :15
2 225 1225 :30
3 AFAP 1475 :20
4 AFAP 950 1:30
5 100 725 OFF

SLUMP FUSING SCHEDULE (RUN TIME 12:26)*

SEGMENT RATE (deg F / hour) TEMPERATURE (F) HOLD (hours:minutes)
1 150 1000 0
2 100 1200 0
3 AFAP 950 1:30
4 100 725 OFF

* The firing schedules may be designed for other projects that were fired with this one. Everything was fired in a Paragon GL-22AD.