How to draw a pipe

[toni1]

Hello!



I would like to draw a pipe line with ribbet. I try to draw one segment then pattern to the curve.

But i do not now how to draw a just one segment to the curve.

If someone have a good variant to draw a pipe whith ribbet pleas hellp me!!

 

[Tunalover]

It would be helpful if I knew what a ribbet was. Are you using the PIPE feature to created the basic tube portion?

 

[toni1]

Hello!

I would like to draw outside fined tube.How to express. This is tube with two diffrend diameters. 1st is let say 10mm diameter and lenght 5mm, second is 9.5mm and lenght 2mm.

And this is patterned to the curve.

i hope that you understand what i mean, becuose i don't now the right expression fort this type off tube.