Mayf,
I have used foam insulation board and stacked it and glued it like a Mayan
pyramid until I was close to the shape I wanted, then covered it with "Great
Stuff". I then trimmed it to rough shape with a serrated butcher knife, and
followed that with a body grinder (be prepared for a snow storm). Finish sand
with a cheese grater like you use on Bondo, then lay your glass over it. I
did a front end that way, and it worked out pretty good. It's about the
cheapest way to make a one-off glass part.
Dick J
In east Texas
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