Clark craft offers hundreds of boat plans, design patterns and complete boat kits, and a full line of boat building supplies and accessories for the amateur boatbuilder.. Want to build your own beautiful boat? you can! we’re here to help! welcome to brooks boats designs plans • kits • custom design • custom building • instruction. Lapstrake construction : lapstrake planking refers to the method of attaching planks to the frames and to themselves. the planks actually "lap" one edge over.