Setting you back is a lot more nuanced than I thought; nesting effectiveness, systematizing bend spans

https://medium.com/@baldorfwun/roofing-vents-with-staying-power-coppers-century-of-quiet-performance-022d2fd9cf37

Costing is a lot more nuanced than I assumed; nesting performance, standardizing bend distances, and batching coatings can open significant financial savings without jeopardizing design intent.