Stoffel Polygon Systems specializes in machining and integrating polygon drive connections for prototype and production parts, highlighting engineering consultation to optimize design, showcasing a range of services and industry applications, and offering historical context on polygon drive technology. Key Points Core offering: The company focuses on manufacturing parts and integrating polygon drive connections into parts for prototypes or production. Engineering guidance: They provide engineering consultation to help customers select the best polygon connection for their application. Machining services: Primary capabilities include CNC turning, milling, surface and polygon grinding, and related processes. Industries served: Key sectors include AeroSpace, Oil and Gas, and Defense. Product focus: Polygon connections are presented as reliable solutions when splines or keys fail prematurely. Customer testimonials: A case example from Goodrich praises expedited polygon adapter work and workmanship. Background on polygon systems: Polygon drives have a long history, with origins linked to Fortunawerke and early patents for matched polygonal shafts and bores. Brand and presentation: The site emphasizes a professional, technical approach to polygon solutions and engineering support.