Posted for "Gary Rodgers" <grodgers@epix.net>:
Trick is to cover the foam with packaging tape or duct tape if you need it
to 'profile' a shape.  Foam melts out and away from the tape.  The tape
pulls out easily because the adhesive side was against the foam.

Gary R


|The problem with this stuff is that the surface is rough and when the
|resin gets into the pores and rough parts of the foam plug, the inside
|of the part is rougher than hell. It is very hard to sand it smooth.