Guilloche Pattern for all.

After seeing some cool Guilloche patterns on this site I started looking for a simple definition. Since everyone is always sharing their definitions with me I would love to give back. Next I may try to put this pattern on a 3d surface.

Original source by Dale Fugier: https://github.com/dalefugier

Original rhinoscript can be found at:
https://github.com/mcneel/rhinoscript/blob/master/Guilloche.rvb
YMMV: Use at your own risk.