A Brief Treatise on Pantograph Design

A pantograph is a simple mechanical device used to reduce and enlarge figures or images. A pantograph can be hold a pen or a variety of cutting and engraving tools, and can be used by artists engravers in a variety of applications.

This treatise uses simple language to explain the mathematics of reducing and enlarging pantographs, and seeks to fill in what many how-to guides do not as it explores the features that make a functional pantograph and assists the hobbyist with designing their own machine.