Found this one on SailWorld.com ... a little unusual to say the least, especially before they attached the hull to the bottom of the space frame.  What is strange to me is the choice of a foiler to be sailed on a lake, where often the conditions are light and foiling is practically impossible.

More images of the Mirabaud LX in this race at www.go4image.com

Full story on this race / vessel at www.sail-world.com

More on the Mirabaud LX at www2.jundt.ch/blog/  (unfortunately all in French!)