Fused Light Studio glass is kilnformed, or "warm" glass. This means that the glass is cast, carved, fused or shaped in a kiln, at temperatures of 1175 to 1650 degrees Fahrenheit. 
The glass must then be annealed - cooling at a slow, even rate so that the glass remains stable. The kiln firing on smaller pieces takes one to five days; large castings take a week, a month, or more.
To create figures, textures, and shapes, we sculpt in clay, wax, ceramic fiber felt, or sand. ​​​​​​​

Layout for Houses in sandbed kiln with fiber felt

Fiber felt for kilncarving Tree on a Hillside​​​​​​​

Glass cast for Still Standing

Cast glass uses a plaster mold, made from a sculpted form. The form might be clay, wax, a 3D print, or found materials.
A piece might start from a single thought, or from a life story. 
The artist may first sketch designs expressing that thought or story, then consider how to use glass to carry out the design. 
We do studies in clay or glass to test the methods and see how the design translates to glass.

Detail of clay relief for work in progress

Glass shards arranged and layered for The Waterfall

Glass artists can also design by sketching or sculpting directly in the sand, clay or fiber felt from an emotion or idea. 
Or they might arrange glass pieces to see what they elicit, and rearrange as a concept emerges. 
Almost all glass requires finishing work to smooth and polish the edges. This can take as long as making the piece itself.

Hand-grinding edges on figure for Out of the Depths

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