These lacy bowls start life as hundreds of tiny grains of glass which I spread on the glass kiln shelf and then heat them to a temperature of around 800 degrees. The tiny pieces of glass 'frit' then melt together randomly to form a delicate lace-like .
Another pinner wrote: Here is one of my kiln carved bowls. I put it in a squeezy Ketchup bottle and squeeze out patterns on the kiln shelf. I let it dry thoroughly and then slump 2 layers of glass on top.