These are an awesome project! Knobs are a favorite in the glass artist's home. Glass knobs are also what family and friends ask for first. Your customers will love them too. We have included a link to a set of instructions made by the manufacturer.
(Click here to purchase hardware for additional Square Casting Knobs)
Fiberfrax is required for this project. (Click here to see the Fiberfrax)
LF52 Square Knobs (4)
Mold Size: 5" L x 5" W x 2" T
Diagonal Size: 7" L
Casting Size: 1.5" L x 1.5" W each
Fill Weight: 28g per cavity
Refer to the table below for a suggested Full Fuse schedule for COE96 glass:
| Segment |
Rate |
Temp (F) |
Hold |
| 1 |
300 |
1150 |
45 |
| 2 |
150 |
1300 |
20 |
| 3 |
400 |
1460 |
10 |
| 4 |
9999 |
950* |
60 |
*If using COE90, adjust this temperature to 900
Refer to the table below for a suggested Tack Fire schedule for COE96 glass:
(If fusing to a Tack Fire, we recommend using Powder and Fine frit, and filling uniformly 1/4" full)
| Segment |
Rate |
Temp (F) |
Hold |
| 1 |
300 |
1150 |
45 |
| 2 |
150 |
1300 |
20 |
| 3 |
400 |
1410 |
10 |
| 4 |
9999 |
950* |
60 |
*If using COE90, adjust this temperature to 900 |
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