tesla valve modulable unit to stack to other

Hi everybody, just a point about the tesla valve, I made a standard one but one of the funny thing is that it is difficult to studyhow many loops / unit of Tesla pattern you need to have an efficient valve effect-with this you can print how many valves you want and then try to see the effect of adding more units-
I did a similar thing in the past with a tesla model with basically holes sideways to allow to block holes like on a whistle.this will allow too to see the effect of each added pattern
instead of designing several valve model of different length!