With LEGO blocks as the centerpiece, Paris-based hintlab’s 3D-printed precious metal rings can be customized according to the wearer’s whims. Each ring comes with multiple LEGO pieces in a range of colors—solid and translucent—for swapping out. Naturally, they can also be stacked one atop the other. There are various styles of metal frames, but the heart is all the same: a little piece of nostalgia. Read more at PSFK.