I think I remember Nick saying that he designed the cockpit shape similar to his old Perception Dancer. The P'Dancer has a pretty generic-shaped cockpit that lots of different skirts will fit; hence, lots of skirts will probably fit the Guillemot.

> I am currently building a guillemot and I have a question. I want to put a
> sprayskirt on it, and I am wondering how to get a sprayskirt that will fit
> the design that came with the book, or where I can get a sprayskirt that
> will tell me how big to make my cockpit. Any answers or suggestions would
> be greatly appreciated. Thanks