The craft is joint: designers, designers, and producers iterate on prototypes, refining joints, coatings

https://garrettfvii322.trexgame.net/roof-covering-vents-that-tell-the-truth-copper-s-century-of-performance-in-demanding-climates

The craft is collective: designers, designers, and makers iterate on prototypes, refining joints, finishes, and tolerances up until classy ideas end up being buildable steel.