Community Tip - Did you get called away in the middle of writing a post? Don't worry you can find your unfinished post later in the Drafts section of your profile page.
I am trying to find out more about the Flexible Modeling extension. Does it come with the student license? If not, is there a way to purchase only that?
Flexible modeling is included in the student free editions of Creo. Here is a compare sheet between Creo 4.0 Student Standard (free) and Student Premium (available from store.ptc.com)