This page provides spell templates on a grid, usable for D&D 3.0 Edition, D&D 3.5 Edition, Pathfinder, and other games.
Each template follows the two primary rules in those systems: (1) "The point of origin of a spell is always a grid intersection.", and (2) "When measuring distance, the first diagonal counts as 1 square, the second counts as 2 squares, the third counts as 1, the fourth as 2, and so on."
Download either a PDF document with all the spell areas (suitable for printing and use in-game), or a ZIP file containing all the images in separate PNG files.
Earlier Version of this Page
This page was first written in the 3.0 Edition era (2001), at which time the rules for spell areas above were not yet completely formalized. The earlier page presented three different options for interpreting the 3.0 rules, with some mathematical analysis of each. If you’d like to see that earlier version of this page, download the ZIP archive below.
For additional commentary and analysis of the d20 System spell-area rule, see this blog article.