Hex paper (or honeycomb paper) is popular with gamers of all kinds as it is ideal for drawing game maps. It's particularly useful for tabletop roleplay games (RPGs) like Dungeons and Dragons and wargames, but also for board games and video games. See more here: https://en.wikipedia.org/wiki/Hex_map Hexagonal paper is also popular with quilters, people planning mosaics or tiling a floor. Some artists may enjoy designing or doodling with hexagons. The large hexagons measure .5" per side.