I've gotten close using extrude along a path. The problem I'm having going that route is the tube gets narrower at tight bends in the path. I'd like uniform size along the entire path. Also I ultimatly want to animate that tube traveling along down the path. Again when ever I attempt animating the tube I get quirky results. Do you have simple solutions for this?
Thats why I played with animating a rectangle cube using the "flow path object". It seems to produce the closest and simplest solution,
Thanks