What would be the best way to achieve the following:

Take your average cookie cutter, for example, and instead of it being made of a
thin band of metal, assume it's made of something thicker, so now what you have
is an extruded object with a thick cookie cutter outline.  I figured the best
way to go about making this in POV was to draw the thing in a drawing program,
and simply fill the interior with a gray color and the border with white.  I
then saved it as a PNG with a black matte around the whole picture.  In POV, I
used the PNG in a height field, and set the water level to 10/256 so the black
matte would be ignored.  So there it was, a pretty good rendered version of
what I had in mind.  Now here's the kicker.  My goal was to make this thing
pretty relfective - chrome-like - so I made those changes and rerendered.  I
noticed the front face of the object reflected real nice, but when I rotated it
over to see what the side surfaces looked like, things wheren't so good - it
wasn't mirror-like.  I guess I was seeing all the triangles that made up the
height field.  So the question is:  How *do* you make an extruded object that
looks like it was carved out of polished chrome?

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