Dining room. Standard for a 1.5 width panel to make it nice and full is 10 rings as per my estimate, see this pic as a good example.
Q
Photo
Kitchen Long center window, similar idea but yours is 35” long
Q
Photo
Yours will have blackout lining and be 35” length up/down
Q
Photo
Similar scale kitchen; I can put a simple piping across top of board.
Q
Photo
Another image of flat across bottom simple roman shade.
Q
Photo
Kitchen Option of rounded bottoms in between windows instead of straight across
Q
Photo
Kitchen Roman shade where pleats at bottom are spread apart and more visible. Since yours is 35” long this is a good option if you don’t want the pleats sitting on top of each other along the bottom like in other pictures.
Dining room. Standard for a 1.5 width panel to make it nice and full is 10 rings as per my estimate, see this pic as a good example.
Q