source of cad file
http://www.cgarena.com/freestuff/tutorials/max/lepatisserie/lepatisserie.html
I didn't measure it exactly and so there are a lot of mistake but finally ı reached an proper geometry and ratio.
IGE (IGES, filesize: 7.82 MB), SLDPRT (SolidWorks, filesize: 8.68 MB)