Advanced roll developing and press braking can form long, stylish accounts for canopies and fins
https://www.scribd.com/document/1058827467/Snow-Guards-Not-A-Surprise-The-Century-Scale-Case-for-Customized-Copper-196153
Advanced roll forming and press stopping can sculpt long, stylish accounts for covers and fins, keeping limited tolerances throughout loads of repetitive facade aspects.