According to that article,
Eight yards of wool are required to make a traditional kilt and while sizes and styles vary, Niven was quick to point out that "no proper kilt maker will make one with less than five."
The acceptable variety of styles clearly doesn't include the 4-yard box pleat. And here I've gone and put in an order for another one of those, obviously from an improper kilt maker who seduced me into thinking that he did really fine work ...

[where's that "sarc mark" when I need it?]