Costing is extra nuanced than I believed; nesting effectiveness, standardizing bend distances

https://wiki-view.win/index.php/Roofing_System_Air_Vent_Honesty:_How_Hand-Fabricated_Copper_Stands_Up_Over_100_Years

Setting you back is much more nuanced than I assumed; nesting effectiveness, standardizing bend radii, and batching surfaces can open significant savings without endangering design intent.