Need help to eliminate intersecting polyline on a brep boundaries

I created a series of points on the surface of a capped loft solid using surface closest points and cull pattern (image 1).


I want to generate polylines based on those points that leave a hollow void inside (image 2)

, however, the line intersects or crosses the void (shape of void is based on a brep) (image 3)

jaringan.3dm (84.1 KB)
terbaru + isi buat rhino forum.gh (32.7 KB)
. Is there any solutions to solve this?

also how to turn the polyline into a single object to reduce the file size?

You can use component

But I don’t understand why using Voronoi component to generate such a mess of lines !!!

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