Mount the blinds higher on the window. Then used a little board between to make the middle trim appear to go all the way up and therefore the window looks taller. When totally open the whole window is open and all the light comes in.
Jannie Baltzer Copenhagen - A 2017 Collection Of Delicate, Nature Inspired Couture Bridal Headpieces
DIY Window Trim - The Easy Way Bless'er House - I want to trim all the windows in our entire house like this! For a more vintage look, go a little wider on the side casing and apron and make the header slightly narrower.