Here are some pictures of my trimaran so far, with Tricat's floats.

I know it isn't the best boat ever, and it would be no good racing, but... you try building a trimaran for less than about £20!

Should be fun to sail! The lines going from the top of the mast to the front of the sponsons are because when I tilted it on its side, the front dropped because the boat twisted. These lines are tight enogh to stop the twisting, but loose enough to not bend the mast any more. They are not nearly as tight as the shrouds, and do not support the mast at all.