The craft is collective: engineers, designers, and producers iterate on models, refining joints, finishes

https://archerdfdv314.wpsuo.com/dormers-that-don-t-trick-the-100-year-performance-of-custom-made-copper-by-salvo-metal-works

The craft is collaborative: designers, engineers, and producers repeat on prototypes, refining joints, finishes, and tolerances till sophisticated concepts come to be buildable steel.