The cx19 is a true offshore power boat with the perfect hull for fishing. buy plywood boat plans that show how easy it is to build this classic powerboat!. Motor boat designs & plans only and will vary depending on the grade/density of plywood and solid motor boats on this page: power 1: power 1.2:. Catalogue of all small boat plans and custom small boat designs by tad roberts. plans for plywood, lapstrake, plank-on-frame, cold-molded, sheath-stripped, and.