This guide does not pretend to be a complete treatise on horological gearing, but does focus on several useful gear types to provide the ambitious watch and clock maker, inventor, or model maker with enough basic information that he or she will be able to design gears and the cutters to make them. This guide will show you: How to design several types of gears and the cutters to make them. How to make an indexing attachment for your lathe. How to make a cutter forming tool radius grinding attachment for your lathe. How to make a sine bar angle attachment for your lathe to make gear cutters. How to make a gear cutter centering device. How to make a support attachment for your lathe. How to make a center distance tool. How to design and make a simple weight driven clock. Step-by-step examples, quick reference charts, and gear cutter design sheets are provided to make the process of designing and making gears as much fun as possible.