The appropriately named "Rondo" ornament by Thomas Glenn Holidays features colorful circular patterns with triangular shapes in the center of each circle surrounding the ball.  This prototype did not go into production, and once it has sold, it will be removed from the website.
The Rondo Ball Ornament
Part of the Christmas Past collection
Handcrafted in Poland
Made from glass
Approximately 4 inches tall (10cm)
Includes original manufacturers box and packaging
Made by Thomas Glenn Holidays