Spira international wooden boat plans. following are the stock plans available for the various types of boats, separated into the different categories.. These are manifest in this book, which describes the building of ten boats: the plans to follow, the materials to use, and the skills and methods necessary to make each project a success. use stitch and glue or traditional building methods.. This directory includes all of the plans that are specifically designed for stitch and glue construction. the rc model x-1 is an inexpensive way to try out this popular contruction method..