Copper oxidation will provide a conspicuous patina over time to this necklace made of pennies.

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The E 5.55 Necklace makes good use of the intricate geometries and flexible behaviour possible with 3D printing, in this instance holding 111 five-eurocent coins firmly in place to create a necklace.

Says designer Cornelissen, "I'm always intrigued by the beauty of some of the things we take for granted; like coins - little industrial gems."

+ michielcornelissen.com