Andrew Barss wrote:

Otherwise, you'd find 2440 x 1220mm plywood panels easier and more
intuitive to work with?

Oh oh - I just finished a drawing for a parabolic trough concentrator
using dimensions of 2438.4 x 1219.2 mm

--
Morris Dovey
DeSoto Solar
DeSoto, Iowa USA
http://www.iedu.com/DeSoto/