Costing is a lot more nuanced than I thought; nesting efficiency, standardizing bend spans

https://cesarqfsi620.tearosediner.net/roofing-system-vents-that-tell-the-truth-copper-s-century-of-efficiency-in-demanding-climates

Costing is extra nuanced than I thought; nesting efficiency, standardizing bend spans, and batching coatings can open significant savings without compromising design intent.