Glass Blank

In glass fusing a glass blank is the base layer of glass that has other pieces placed on it before fusing the glass together. In other words it is just a plane glass shape and then you add your design layer on top. It can be any type of glass; iridescent, Dichroic, transparent, etc.

The initial step in creating any fused piece is to cut a piece to the desired shape and size. This bottom layer is considered the blank or base. It can be cut to a particular pattern so that it will later be slumped into a mold, or a pattern that will be enhanced with other pieces.

glass blank, blank, base, base glass

When a pattern is going to be slumped into a mold, the base glass needs to be cut no larger than ¼ inch larger than the mold it will be slumping into. The mold can be turned upside down and traced around to achieve a pattern for the glass. If the mold is quite deep you might need to run a string or other object inside the mold to determine the size of the slump.

It is possible to fuse just a single layer of glass. Single layers can be unstable after firing because of them being thin, and they also have a tendency to obtain large and unattractive bubbles from kiln wash. So for a more stable piece and for decorating purposes, especially if the piece is large, two or more layers are recommended.

Any other compatible embellishments could be added to a blank piece of glass. This could be anything like other pieces of glass, frit, stringers, confetti, rods, etc.

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