Originally Posted by
Bill Bulloch
John, Malcolm is talking about cutting your segments as accurace as possible before gluing them up in half rings and sanding the ends. The key point here is "as accurace as possible", if you settle for angles that are just "close enough" you will end up with oval rings. Try lining that up when you are dealing with a pattern. Best to be concerned about "thousands past a decimal point" as you say, and strive for segments as close to perfect as you can, then glue them up in half rings and square off with the sander.