The Portland Cement Company makes these tiles out of a proprietary concrete, which is cast in a wedge-shaped seven-inch-hexagon mold and left to dry overnight, then for a few weeks on a baking sheet.  Photo 6 of 10 in How to Design with Hexagon Patterns by Erika Heet

How to Design with Hexagon Patterns

6 of 10

The Portland Cement Company makes these tiles out of a proprietary concrete, which is cast in a wedge-shaped seven-inch-hexagon mold and left to dry overnight, then for a few weeks on a baking sheet.