Modular Mood Rings: 3D-Printed Gem Blocks Make ‘Lego’ Jewelry a Snap

Instead of swapping between rings and earrings for different occasions, why not keep the framework and trade out the colorful key element: the featured jewel. Inspired by Lego and designed by Hintlab, these interchangeable creations feature all different kinds of options, from simple translucent and opaque blocks to growing crystal shapes and stamped message surfaces.