As i started to fishing from time to time i have decided to build my own fishing boat i’m calling it catalina becouse it is a large and. Free boat plans free plans from science and mechanics and boat builders handbook magazines. (added: 22-nov-2001 hits: 262851) my links | rate | cached | visit free boat plans. free sailboat plans free sailboat plans for more than ten designs from 28 feet to over 60 feet long.. Coastworker 25 – steel, aluminum, fiberglass boat plans & full size frame patterns. displacement or semi-displacement or planing hull boat plans & full size frame patterns this is the smallest of our coastworker range that extends from just 25 ft to 58 ft – an ideal first boatbuilding project..