3D printing is exciting, but it’s never going to revolutionise the world of manufacture on its own.
Today’s invention is a niche application of this technology.
Bracelets and other items of jewellery are often hard to fit precisely.
Imagine if you could place your arm on a pad within a machine and have it print eg a close-fitting, solid bracelet around your wrist, while you waited.
The semi-permanence of this kind of approach could substitute for tattoos. Also, engaged couples could wear rings that were physically irremovable (or at least tamper-evident).