The craft is collaborative: architects, engineers, and makers repeat on prototypes, refining joints, surfaces

https://tysonzymk871.yousher.com/designing-for-2126-customized-snow-guards-in-copper-that-prove-their-worth-gradually

The craft is joint: architects, engineers, and producers iterate on prototypes, refining joints, coatings, and tolerances till elegant ideas come to be buildable metal.