A 3D tabletop that counts diagonals the Pathfinder way
TerrainTale is system-agnostic on purpose. For Pathfinder that means the diagonal rule you actually use is one setting away, creature sizes take the right number of squares, and reach and flanking are questions the ruler can answer.
Diagonals: 5, 10, 5
Set the measure mode to "Diagonal 5/10 ft" and every second diagonal costs two squares, on both the ruler and token drags. The path highlight shows the squares counted, so a disputed move is settled by looking at it. A worked example in PF2e: a character with a 25-foot Speed moves diagonally. The first diagonal costs 5 feet, the second 10 and the third 5, so three diagonal squares cost 20 feet and a fourth would cost 30, past the limit. The ruler shows the running total as you drag. The same setting serves the optional 5e DMG variant, and true distance is a third option if a table wants it.
Sizes, reach and elevation
Large tokens occupy two by two squares and snap accordingly. The ruler measures between any two points on any surface, so the distance from a giant on a ledge to a fighter below includes the drop, reported as "30 ft · 10 ft up". In PF2e a Large creature usually has 10-foot reach, so it threatens squares two away from its space; drag the ruler from the edge of its 2 by 2 space to check. Flanking needs two allies on opposite sides of the enemy, which you can read from the base rings with the grid on. The tool measures. It does not decide cover, off-guard or a fall for you; the GM applies the rule.
Initiative and conditions
A turn tracker with rolls you can overwrite, a round counter, and per-token conditions and HP. It does not apply Pathfinder's conditions for you; it remembers what you decided. That suits the three-action turn: roll initiative, usually Perception or a skill the GM names, type each result, and press N to advance. The tracker keeps a condition such as frightened or clumsy on the token where everyone can see it; its value and when it drops stay with the GM. HP changes take one click with the damage and heal buttons, and players can roll from the dice tray, which is shared with the table.
Questions
Does it support Pathfinder 2e automation?
No. There is no rules engine. It is a place to fight on, with the measuring and tracking a physical table would need. Strikes, the multiple attack penalty, spells and degrees of success are resolved on your sheets or in the character tool your group already uses. TerrainTale covers the part those tools leave out: a 3D battlefield with the 5/10/5 count, creature sizes, height and turn order.
Can I use Pathfinder-style flip-mats?
Any image can be used as a token, and any .glb as terrain. A flat image map as a floor is not a first-class feature yet; the library is built for 3D scenes. If you like a flip-mat design, the practical route is to rebuild its layout with the room tool and the tile brush. Most flip-mats are rooms, corridors and terrain on a 1-inch grid, which maps one to one onto 5-foot squares.
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