How to build a small sail boat. these plans are for a small sail boat called the biloxi dinghy. former builders claim it’s a great design.s. from the plans:. Wooden boat plans developed by a boat design expert & naval architect. all boat plans come with free 3-d computer models & free master boat builder course.. Classic wooden boat plans is a growing collection of established plans that are ready to be printed and then laid out for full size building. unlike other plans, you.