Evolute Spiral Border
The evolute spiral border is a wavelike pattern that mimics the wave of the sea. Designed by Sebastian Serlio during the 16th century. The interstices (small opening) between the lines is decorated with leaves and flower buds.
Meyer, Franz Sales Handbook of Ornament (New York, NY: The Bruno Hessling Company, 1904)
Courtesy the private collection of Roy Winkelman