On Wed, 07 Nov 2007 17:16:41 +1300, Larry Spitz
wrote:

I would like to know what the plywood is called and where to obtain it.


DAGS "Bender Board" and/or "Wiggle Wood". I've used it in 3/8"
thickness, and know it's available down to 1/8", but perhaps a
diligent search will locate a supply of thinner material.

Tom Veatch
Wichita, KS
USA