@zipit I don't get why you're still not working in Maxon. That seems illogical!
Many thanks for a such detailed answer once again!
The problem is the solution is intended to chew a lot of polys and there may be some "Zbrush"-like model. So as I already understand, I will have to port it to CPP anyway.
@nophoto said in Get all neighboring points (including not connected by edge). Fast.:
I would use a BaseSelect to 'collect' all points
Quite a point! Great suggestion I think, I will try that out