Trail Cafe: Picture Page - Building a Multi-Chine Tom Yost PVC Skin on Wood Frame Kayak - Pic Num: 7
Drawing jig for the Keel, chines, and ridge pieces
Picture Credit: M. Tanton
The jig has the center line drawn up it, which is needed for the keel and ridge stringers only, and the "depth" lines which are used for the Chines.