Holes and recesses on a surface

[ajarindia (BVR)]

Another example:

How to add attractor point/curve to 3D Voronoi surface?

Is this what you’re talking about? (weaverbird was not installed correctly in my pc, so I suspect that the last few components of the definition are missing, but the relevant part is intact) voronoi.gh (88.4 KB) [voronoi]