Since most of my woodworking involves the lathe, I was constantly setting up my calipers to different dimensions using a ruler. This was always time-consuming and it was easy to make mistakes. To speed the process, I made this simple gauge from a piece of 3/4" scrap hardwood with incremental steps matching my most commonly used dimensions. Mounted to one of the support legs of my lathe, it takes only a moment to set the calipers perfectly every time.