Attractor Logic not working

Hi,
I’m just starting out with Dynamo. I’m trying to use the attractor logic to create the logic found here https://www.youtube.com/watch?v=ZqD1e9xS3J0&index=6&list=PLbcTDnAuY_zLtqc-v9Z5umFGXa43_VHnQ . I end up with circles with random Radii and circles with radii zero. What could be going wrong?

It’s usually a matter of lacing…

Hi @winnwgomez