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A
glass master will reproduce molds that need little or no work
to the surface. The object is to de-mold from the glass master
a mold that requires no sanding to the surface whatsoever.
A glass master is not required where one or two molds are
needed. If the condition of the plug remains stable during
the producing of the first mold, continue to build molds from
this plug. Check for stability of the plug after each mold
is produced.
Use
the procedures for tooling gelcoat. Build the master as you
would a lightly laminated mold. Make the surface of the master
as perfect as possible to enhance every mold produced off
the master.
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