The craft is collaborative: engineers, engineers, and fabricators repeat on prototypes, refining joints, coatings

https://wiki-triod.win/index.php/Engineers_on_Copper:_Why_Custom-made_Chimney_Shrouds_Are_Defined_for_100-Year_Roof_Coverings

The craft is collective: engineers, designers, and producers repeat on prototypes, refining joints, finishes, and tolerances till elegant concepts end up being buildable steel.