1805 george avenue annapolis, maryland 21401 usa © 2017 chesapeake light craft, llc all rights reserved. reproduction in whole or in part without written permission. What is lapstitch construction? clc’s exclusive lapstitch™ construction . patent no. 6,142,093 . the strength of the lapstitch™ joint is such that the designs. Cnc cut boat kits for home boat builders. build your own boat with one of our boat kits. everybody can build their own boat with our boat kits..