From Sketch to Etch

Thi

s series of pictures shows a work in progress.

The sketch was inspired by a photograph provided by the patron

commissioning this art glass panel.  The finished piece will be carved

into both sides of a piece of 3/8″ annealed glass.  The ocean will also

be glue-chipped after it has been etched, and then highlighted again

with detail etching.

This photo shows the glass panel covered with a vinyl resist and the

drawing done on the vinyl.  Once the drawing has progressed to

this point the next stage is hand cutting the patten.

Here we have the glass panel sitting on the

glass rack ready for the first in many series of carving sessions.  All lines

in the pattern are cut before any of the blasting starts, the sequence of

blasting and pulling the pattern is determined by the objects that will overlay one another

.

This photograph is of the first side sandblasted and carved.

There will be a few things added to this side after the second

side of the glass has been sandblasted.

Above is the back side of the glass with the sketch

which will then be cut and sandblasted just as the front side was.

Shown above is the second side sandblasted.  The protective coating of resist

paper is still present to protect the areas that will remain clear glass.

This stage of the process is called glue chipping.  The ocean in this window will be covered

with animal hide glue after it was sandblasted.  This is an old technique used to give the

glass an ice like texture.  The glue is so powerful that it pulls chips of glass off as it drys and cracks.

This process is on its own time schedule and some areas often need to be treated twice.

Below is a closeup view of the chipping.

The chipping is often loud and explosive, a sharp ping and the chip

will fly many feet away from the project leaving a clear textured area.

Almost there, a few of the white patches are

areas that did not chip the first time.

The green tint is caused by photo lights and not a coloring\

of the glass etch.

More to come……………


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