It is very doable in the spline room but will take a little work. Here is a qoute from Mark above that should help "using the spline modeler with the 'Pipline' extrusion preset allows you to adjust the 3D axis rotation of all cross sections independently using the extrusion path bezier controls". I didn't have much time to perfect the shell or texture for that matter but hopeful you will get the idea. Stace