Maybe you're the first to ever think of that! Not a bad idea. Seems possible and that would allow for two lighter doors.
Yer not the first…
Back to the OP…
The frame underneath is fine, do what you want, but NO square corners under a rounded end cooker! I don’t care how it cooks, if the look isn’t right it will NEVER set on my back porch!
Call me crazy… IDK!
That is all…