Please refer to this journal [link]
When I wrote the tute, I assumed a hadn't altered a couple of the variables, but upon looking again, I had done so. Please add this info to the existing tute.
***I have now edited the tute to include/remove the following information.***
"ngon power" - Set this to zero.
"ngon circle" - Set this in the range from zero to 0.5. It will alter the size of the centre of the star shape.
*Removed* the following text in the tute in relation to "ngon".
"I use two of these variables. They are "ngon sides" and "ngon corners".
Apology for the omission.