A dual design featuring a set of nested crescents neighbouring a symmetrical inverse pattern.   

A dual design featuring a set of nested crescents neighbouring a symmetrical inverse pattern.   (photo 2)

A dual design featuring a set of nested crescents neighbouring a symmetrical inverse pattern.   (photo 3)

A dual design featuring a set of nested crescents neighbouring a symmetrical inverse pattern.   (photo 4)

A dual design featuring a set of nested crescents neighbouring a symmetrical inverse pattern.   (photo 5)