Spiral pipe on the surface which slide in certain angle

Grasshopper
1

down side surface is normal because is perpendicular angle surface,
but what on top side surface is slide a bit for angle theta which the problem my spiral pipe going mess around this part,
anyhow to solve this thanks

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unique.3dm (3.8 MB) unique.gh (20.7 KB)

2

Funny how the same topic appears in multiple threads, as if everyone is taking the same class?

1 Like
3

haha i am just starting to learn GH right on the basic way to understand … sorry …