«If hanging curtains really high will make a crazy big blank wall
space above your window, you may want to bring the curtains down a bit
otherwise your windows may end up looking dwarfed and
awkward instead of larger» or a large window on an 8 ′ wall adjoining a patio door on a vaulted wall, or a funky half - bay arrangement with 2 windows too close together to hang anything above them at all without having a custom curved rod designed.