Good point, altho.. These don't have ripples and don't look like the machine bent to me..? They are a smooth flowing bend. 51mm at every point.
http://img.photobucket.com/albums/v3...ICmockup10.jpg
http://img.photobucket.com/albums/v3.../ICmockup9.jpg
Don't know any one that has tho.... Or don't remember seeing it done.