How to generate Vascular stent?

hi,i want generate Virtual Vascular Stent in VTK,i can generate simple Vascular Stent,like this
206e38545eb52ee9de765e60667a78afaef2fb37_2_678x499
and i want make simple Vascular Stent more truely,like this result:
258fd5197d0a7a464a49edebb8e13c13d2767e2b_2_571x500
can anyone know how to do it?
thank you!!

There are many ways to do it - I’ve posted the answer on the Slicer Forum where you originally asked this question: