I mean inverting the sources and sinks in a circle. This is the Milne Thomson circle theorem. By placing opposing sources/sinks at the inverted point, the circle will be an isocurve of the resulting flow:

It’s not clear what you mean ‘paths or lines will be better’

Also, here’s a version of the earlier sphere definition without using RhinoPolyhedra or Weaverbird openings_sphere2.gh (23.4 KB)

I am just a month with all this stuff about geometry, patterns, relations, block and grasshopper at all and its quite fascinating . Any recommendations for further reading will be appreciated . Btw . what maths courses do i need to better understand all this? I really thank you for the help , ill read more about this