The curve louvre is not connected to the curve

My idea is to manipulate the roof geometry with the sine function, however, the points made the geometry float instead of connecting to the structure. Any help would be appreciated

test (41.4 KB)

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Not a good way.

Thank you for the response, this is my first post on the forum :cry:,
hopefully I’m doing it in the correct format now

roof (23.1 KB)

Not sure what do you mean by “float”.
Try Interpolate instead of Nurbs Curve