RPG Area of effect ruler / spell gauge

Speed up spellcasting and settle line-of-effect debates in seconds with this all-in-one spell area of effect template—perfect for Dungeons & Dragons and other TTRPGs.

Crafted from clear laser-cut acrylic, this single, multi-purpose template includes engraved guides for the most common AoE shapes:

Cones (angled spell effects like Burning Hands)

Circles (radius-based spells like Fireball)

Squares (cube effects like Thunderwave or Wall of Force)

Each section is clearly laser engraved with size markers (in 5ft increments), making it quick and easy to check if a creature is in range without measuring tapes or guesswork.

Features:

One tool, many spells – Covers cones, cubes, and circles in a single compact template

Laser cut & engraved – Precision-crafted with long-lasting markings that won’t rub off

Clear acrylic – See the battlefield clearly beneath the template

Standard 1" grid compatible – Built for 5 ft per square scaling

Perfect for players and DMs – Great for fast, rules-accurate encounters

Whether you're casting Fireball or dodging Cone of Cold, this AoE template ensures your spell lands exactly where you mean it to.