The pattern is after our Islander 30/II auxiliary sloop that we owned and sailed on S.F. Bay and environs for 21 years. It is 8-1/4" diameter x 9-1/2" tall. Made of maple, bubinga, holly, blue-dyed maple, yellowheart, bloodwood, chalet-viga, and ebony. 4850 pieces of wood. I made it for one of our daughters, who is a Captain in the U.S. Coast Guard and head of the math department at the U.S. Coast Guard Academy.