Costing is much more nuanced than I thought; nesting performance, standardizing bend distances

https://www.scribd.com/document/1058700139/Dormer-Design-for-100-Years-Copper-That-Doesn-t-Lie-to-Engineers-or-Owners-187935

Costing is much more nuanced than I thought; nesting efficiency, standardizing bend spans, and batching surfaces can open significant cost savings without compromising layout intent.