As I'm stuck for a few days waiting on a client or two to sort stuff out and as a "Dogger" is on the list what better time to get to it...
The method to my madness is simply to put stuff up (with at least a general idea in mind) and then whittle it away till it looks OK. So what you are seeing is the second whittle on the aft portion of the dodger... It's still too tall and will be coming down another eight or nine inches.
Hopefully tomorrow I'll be able to show some more progress.