Setting you back is more nuanced than I assumed; nesting performance, systematizing bend spans

https://www.scribd.com/document/1058179918/Copper-Does-Not-Lie-Why-Architects-Select-Salvo-Metal-Works-for-Customized-Smokeshaft-Shrouds-that-Last-a-Century-206280

Costing is a lot more nuanced than I assumed; nesting efficiency, systematizing bend radii, and batching surfaces can unlock significant savings without compromising design intent.