Rhino command- extrude along two rails

[Skateparks]

I need to take a typical radius and make a face by extruding along two different rails. For example; a 72" radius expands to a 96" radius as it runs along two curved paths. In Rhino it's super easy but...

[TIG]

BUT... find my 'Extrusion Tools' zipped set - in the Plugins Index.
It includes ExtrudeEdgesByRails [aka EEbyRails] and lots of other goodies...

[mitcorb]

And I heartily recommend it.