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Posted for "William" <wschertz@ispwest.com>:
No question that the 'pour foam' or great stuff sands easier, but it does
NOT dissolve in acetone like the pink or blue styrofoam. If you use the
pink/blue material, fill it after getting it to rough shape and then sand
the filler. Don't use bondo, it will attack the pink material.
Bill Schertz
Don't forget good old modeling clay either. This is my favorite male mold
material for small bumps and intersection fairings. Spray with PVA or cover
with electrical tape for release.
Tracy Crook
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