Good pic to generate discussion. Looks like all the packed circles live in a vertical geodesic plane. One could have all the arcs going through them meet the same 2 fixed points like you show (equidistant lines), or you could alternatively let those arcs be geodesics.
-
New conversation
-
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.