The craft is collective: designers, engineers, and fabricators repeat on models, refining joints, surfaces
https://www.scribd.com/document/1042304429/Breathing-Easy-for-a-Century-Personalized-Copper-Roof-Vents-that-Keep-Executing-176128
The craft is joint: engineers, designers, and makers iterate on models, refining joints, finishes, and resistances up until elegant ideas end up being buildable steel.