Collar made from 3d printed steel; found, corroded steel; found steel CO2 cylinder; hand-carved and machine-carved wax cast in sterling silver; sterling silver; porcelain; opalised fossil squid; chrysoprase; chalcedony; pearls; diamonds; tourmaline; topaz; zircon; sapphire; apatite and; peridot.

Wax-carving for squid by Carol Docherty.

Squid cast by Mike Hirst at Carradale Foundry.

Porcelain faux-corals by Lisa Stevens.

Based on the Hohenloe Collar.

Photograph by Andrew Neilson at Neilson Photography.