When the new millennium began, the underlying shape for interior design was the Oval. Around a decade later the Oval began to change into the Circle. The determining factors behind these changes are clothed in mystery but their power to govern design is a reality. The Circle's imprint has just expanded beyond furniture frames, lighting and accessories into the phenomenon of the Circular-Topped Arch. I noted this trend in recent posts but it has grown markedly since. It's time to direct attention to the appearance of Circular Arches in interior design.