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This article on defining hex grids in code is a classic: https://www.redblobgames.com/grids/hexagons/ https://www.redblobgames.com/grids/hexagons/

• chii 5y ago
  really not related, since the excel grids are part of their charting features, rather than coding it from scratch using primitives in excel.
  • seemaze 5y ago
    > really not related True, but now I've discovered a bunch of interesting articles on procedural geometries, Thanks HN!