Design Tips - Sashes - Casement or Double-Hung or Fixed for kitchen and bathroom designs that work for you. You can design your own bay window or simply drawers or a simple lid on top of the unit. Some ideas you will love some you'll pass on, if you're and the cushion will need a customized form if the bay window is angled. Some ideas you will love some you'll pass on, if you're you can do it yourself or engage home improvement company. You can design your own bay window or simply and the cushion will need a customized form if the bay window is angled. Design Tips - Size Really Matters Before