Hi Michael, I am always amazed by your support, thenk you for replying so fast.

<<Hi Tom, it's difficult to impose a good quality arc shape at the end using all vertical planar stations with Loft.>>

I used Network. In the attachment the original file which is more complicated as it is curved. Thats why i had attached a simplified version which is the one we are talking about.

I have tried to sweep and blend and have gone through the example of Chip without success. I will have a closer look at it again.