The contest involved moving colored rings over a hexagonal array of posts, stuck in the sand.

Their circular outlines dotted the entire top of the facility in an even hexagonal array.

Across a tremendous flat expanse of concrete, painted with large red targets in a hexagonal array, he could see the spaceships.

Two regular fiber packing patterns are considered: the square array and the hexagonal array.

Straight lines ran outward in six directions from the center, meeting with other lines to form a hexagonal array.

It was a large, hexagonal array set in an uninhabited star system, reflecting light from the system's sun.

But there were a couple of hundred blue points all the same size, tiny, set wide apart in what Roy gradually realized was a hexagonal array.

The columns themselves may be organized into rectangular or hexagonal arrays.

These particles also have a hexagonal array of pores.

He looked up to see where it joined other members in a hexagonal array: a part of the old dome.