3" O.D, 2" deep. The upper ring and the base are mahogony, the bottom ring is white oak.
What you will need
16 segments of white oak, 16 pieces of mahogony and a 3" solid base.
How to do this project
Cutting segments. Stock was 3/4 x 3/4. Cutting angles were 11.25 degrees.
Glue up rings individually, remove excess glue.
Sand all pieces flat and glue up full assembly.
Mount and turn on lathe.