Full article with thanks to: housebeautiful.com/home-remodeling/diy-projects/a35226507/diy-roman-shades Ah, window treatments: They just may be the most overlooked part of a home’s design. Designers agree they’re a foundational part of any room’s design (after all, they often take up more square footage than anything besides the walls and floor covering), yet they’re often an afterthought in the design process. And while the daunting array …