The book Guitar Shapes Navigator deals with the determination of the positions of
characteristic points lines distances and shapes of parts of the guitar as a whole. In
contrast to technical drawings Guitar Shapes Navigator does not use classic dimensions but
mainly the coordinates of the positions of the end points center points etc. Everything takes
place in the X and Y coordinates of the normal Cartesian system. The third dimension the Z
coordinate is used as needed. And the main role is played by the origin the Z E R O P O I N T
- actually invisible under the bridge.