Letting students take control of the CNC machine for the first time each semester can be terrifying enough if they were paying attention to your wise words of caution, but we all know some of them weren’t taking studious notes. An easy way to save your machine and nerves is to give your students forgiving workpieces, like machinist wax, wood, or plastic, but that’s not always the best solution.

While in high school, Scott Pobjoy took a part-time job at Cash Manufacturing Company, a custom machine shop and specialty manufacturer of supplies and accessories for firearms. High school ended and Pobjoy accepted a position as a full-time machinist in the shop. Purchasing the company from founder Ted D. Cash in 2006, Pobjoy has ramped up production. Cash Manufacturing now boasts a catalog of 100 parts and accessories.