The craft is joint: designers, designers, and producers repeat on prototypes, refining joints, finishes
https://www.mediafire.com/file/iqt5t6o1txmgp0m/pdf-63321-9747.pdf/file
The craft is collective: architects, designers, and fabricators iterate on prototypes, refining joints, finishes, and resistances until classy ideas end up being buildable steel.