Windows serve multiple essential functions in any project, from framing views to providing daylight and natural ventilation. As human needs have shifted and technology has advanced significantly throughout the years, these have evolved in character, shape, and use of materials. What began as small arrow loops used for defense in medieval fortifications later transformed into wider openings that exemplified status and wealth. The Romans were the first to use glass, but it was considered a precious commodity for centuries. Intricate stained-glass panels adorned countless of medieval churches and cathedrals, while most home dwellers had to settle for covering their “windows” with wood, fur and other materials.