Plans for building your own wooden sailing boat from scratch including dinghies, cabin cruisers, catamarans, trimarans and proas.. Scroll down this page for many more plans. this a page of links to some favourite free boat plans at intheboatshed.net. they’ve been chosen because they are derived. Denman marine specialises in custom wooden boat building and repair. we utilise both traditional methods such as carvel or clinker and modern methods such as strip.