Hello everyone

I am trying to model a basic ball point pen using nurbs. Three fourth of the pen has a hexagonal shape and the rest of the pen body is cylindrical. How do i merge both these shapes. even rebuilding the curves to match each others UV parameters is not helping.

https://img15.imageshack.us/i/picture....th.jpg%5B/IMG

Also attaching a picture. link above

please help

Mahesh