[DKarpio]

Hello there,

I need to parameterize the exchanger tube model created by gradually turning/burnishing the round tube (in CAD it is realised with pulling through the next sections rotated about some angle). I care about the length of the perimeter of the subsequent external sections of the extruded tube to be equal to the outer circumference of the round tube, and further so that the outer surface area of ​​the extruded tube is consistent with the surface area of ​​the round tube from which the target tube was formed. Is there a way to parameterize the length of a given curve in SCDM or to keep the outer surface of the pipe constant with the possibility of changing its geometry? If so, please give me some tips.

Thank you in advance for your help,
DKarpio .