Millegrain decoration is when metal is used to create a 'beading' effect, usually around the setting of a ring. The small feature can make a ring appear much more ornate than most, at very little extra cost!
One of many exercises in asymmetrical symmetry over here. "Sunny's Waves" doodle drawing. 6" x 6" / Micron Pens on 100lb Acid Free Archival Bristol 2 Ply Paper.