Setting you back is extra nuanced than I believed; nesting performance, standardizing bend radii
https://beckettrtvu286.capitaljays.com/posts/roofing-system-air-vent-resilience-copper-parts-that-outlive-the-building-code-cycle
Costing is much more nuanced than I assumed; nesting efficiency, systematizing bend radii, and batching surfaces can unlock major financial savings without endangering style intent.