Doug, that is a neat design. But ouch on the price!
Aquarium builder, perhaps there is another way to get your cut than tilting the router? Can you describe what you are doing with dimensions? I am thinking of ball shaped optical cutters. They use these to shape lenses for eyeglasses. By making multiple passes you can cut about any curve you could want. I can dig up a picture if this would help.
"Living in the D" (this means Detroit!)
"It's fine to disagree with other members as long as you respect their opinions"