I'm reviewing my design against the rulebook.
The last paragraph from K3.3: "there must be no gaps in any of the sections formed"
Now this:
![Image](http://i.cubeupload.com/62IzN4.jpg)
My doubt: A Y normal plane crossing the rounded internal diffuser surface would create more than one separated section, being each on of them separate but closed curves. Is this valid?
![Image](http://i.cubeupload.com/LSeqJI.jpg)