I forget where I ran across the link to this protest diagram kit it was made by Angelo Buscemi. He explains how to use it on the first pages. Not only boats are provided but also pages with different places on the race course, i.e. starting line or leeward mark.

It is an excellent tools when you have to unfortunately go into the room. This summer it was necessary to protest a larger boat at Cowes Week while sailing on my fathers boat after a collision ending in a large hole in our boat. We prevailed in the room which we were happy about but also unhappy about as it adversely effected the other boats 1st place in class that day. Also I would highly recommend having a digital camera as it was helpful to show the protest committee the extent of the damage in the room on my laptop.