Here's another great article about hexagonal grids: http://www.redblobgames.com/grids/hexagons/ http://www.redblobgames.com/grids/hexagons/ It's written with

Here's another great article about hexagonal grids: http://www.redblobgames.com/grids/hexagons/ http://www.redblobgames.com/grids/hexagons/ It's written with game design in mind, but many of the techniques are useful just the same.