I needed a small, but able ship for a Forgotten Realms game I run. I tried to be accurate to the real-life dimensions of a Caravel (80-120' with a length-to-beam about 3.5:1). I think it came out pretty good given that I've only used DD3 for about 2 months now.
Even if you don't own Campaign Cartographer, you can view and print any of these maps using CC3 View, the free CC3 Printer and Viewer, downloadable here.