I want to create a gradient that spirals along with the helical structure like in the figure attached. However I cannot seem to get the gradient curving the right way. I have tried turning several knobs to no avail as shown in the screenshot. Any assistance will be appreciated.
![[1]: https://i.stack.imgur.com/M1G0s.png](http://i.stack.imgur.com/jqhSz.png)
