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@Cerberathis is exactly what I am looking for, the linear field was a good touch. I didn't think about that. Thanks again!

I know it sounds lame, but the functionality of the S key for finding meshes in viewport or object manager is often overlooked and saves me so much time every hour of every day.

Thank you Cerbera for the file. This has been very helpful. Best, Rafael

I have been asking Maxon for the last couple of years for a Shortest Path algorithm. Someone can have a look to a recent post about a new plugin

I suspect that is actually a very simple setup. A Cloner is cloning a null, which looks like it's being animated via a random effector in Noise or Gaussian Mode. A MoGraph Tracer (unclear which mode, though I suspect 'connect all nodes') then presumably takes the output null(s) from that, generates connecting splines between them and feeds that to the Volume Builder where dilate / erode and SDF Smooth are used to thicken and smooth the animating spline into the sort of shape you see above. The disadvantage to that sort of setup is that the movement is not very art directable, based, as it seems to be, on random movement where the only control we have is animation speed and position parameter being randomised. Of course that would be circumnavigable by just manually keying the animation of nulls yourself.... Here's a quick starter file in which you can change cloner numbers / modes and play with volume builder effects... VB Tracer.c4d CBR

You can use to object index node to get the index of the currently processed object in the iteration. That can be used as a seed for randomness. But your problem description sounds like there are more elegant solutions for it. Like sweeping traced particles (or matrices) traveling along the circuit splines.

it doesn't work on the new versions of C4D, I'll try to dig out the source code and adapt it.