Interlocking rounded U-shapes and arches layer across a black field in strict geometric repetition, creating a rhythmic optical pattern that alternates between negative and positive space. The crisp black lines on cream grounds build a hypnotic visual rhythm typical of midcentury modernist abstraction, evoking both architectural precision and organic undulation. Printed on smooth white card stock and made to order, artwork on the front, blank inside, envelopes included in every set. A handwritten note that arrives as an independent artist's work.