Now that I think about it, pie pan analogy is not a good one.

Posted pics on ABPW.





"Leon" wrote in message
. ..

"stoutman" wrote in message
. com...
Ah, ok.

Let me try again. It's sagging NEAR the edges DOWNWARD. As you move
from left to right or right to left, the sagging deminishes.

ah, sorta kinda lika square pie pan turned upside down.