you will learn how i did the spline cage to make the ferrari F2003 ga body
and you''ll have a FAQ to have some answers too ;)
you can download the model .max of the spline cage here
http://www.sharecg.com/v/16409/3d-model/3d-spline-model-of-the-body-F2003-GA
and of course, tutorial and body surfaced here
http://www.sharecg.com/v/16403/tutorial/Making-Of---Ferrari-F2003-GA--French
http://www.sharecg.com/v/16404/tutorial/Making-of---Ferrari-F1-f2003ga
http://www.sharecg.com/v/16405/3d-model/Ferrari-F2003GA---Body-for-application-of-the-Tut