I've never seen anything like it. You couldn't tune the G string like that.
The high E would be right in the way.

No, I'm not positive but from the way it's drawn, the high E string would be right over top of the G's tuning key. I'm sure it could be tweaked to work.
It might work. But, like you said in your first post it ugly.![]()
Major fugly and why bother?
PC
I'd worry about the structural stability. By the time you drill for the post holes, there isn't a lot of material left on either side.