Stained glass, but make it 21st century. If you live in a space that has quirky interior windows (fun fact that I learned at the Tenement Museum: Many old apartment buildings have them because they were built to increase air circulation as a preventative measure against tuberculosis), here's how to make them look intentional and incredibly stylish. In his Brooklyn apartment, Crosby Studios designer Harry Nuriev now gets to look through a rose-colored window every day. He used cut-to-size plexiglass from a shop on Canal street, according to Architectural Digest.