Help to make a pattern in cylinder with grasshopper

Hi forum,

I’m trying to create this pattern on a cylinder. As you can see, the transition between the two parts isn’t smooth at all. I’d like to achieve a seamless, gradual transition—maybe something like the waves gradually becoming shallower until they match the cylinder.

I don’t have much experience with Grasshopper, so any guidance or tips would be greatly appreciated.

Thank you in advance! If you need more information, just let me know in the comments.

Hi!

See point 3 ^

(But it’s best if you read it all)

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I kind of feel like a knurling is something implicit surfaces could do well. If I was confident enough to try doing something with them.