The hexagon. The six-side geometric shape has recently been appearing in jewels through either patterns fashioned in precious metal or stones cut into hexagons.

Tessellation is a repeating pattern of the same shapes without any gaps or overlaps. These patterns are found in nature, used by artists and architects and studied for their mathematical properties.

MINNEAPOLIS, March 30, 2018 (GLOBE NEWSWIRE) -- The Tile Shop (NASDAQ:TTS), a specialty retailer of natural stone and man-made tiles, today announced the release of the Hex Weave collection, one ...

Hex realizes that similarly, Flatland itself might not be flat, even though it seems so — it could be curved into the third dimension. Perhaps Flatland is on the surface of a sphere: Sphereland!

The 14th pattern was found in 1982 by Rolf Stein of the University of Dortmund, Germany, and that was it for the next 33 years. The latest discovery came about with advances in software modeling.