From Pathfinder Adventures: Troubles in Grayce, which isn't enabled.

Spiked Walls

HAZARD 1

MECHANICAL TRAP

Stealth +5

Description A low trip wire connects to a lattice panel covered with wooden spikes.

Disable Thievery (trained) to snip the trip wire or jam the panel

AC 15; Fort +9, Ref +1

Hardness 5, HP 24 (BT 12); Immunities critical hits, precision; Weaknesses slashing 2

Spiked Wall

Trigger A creature triggers the trip wire

Effect A lattice panel lashed with wooden spikes swings shut across the passage. The triggering creature takes 3d6 piercing damage (DC 17 basic Reflex save). The panel provides lesser Cover and prevents movement along the passage. The panel can be pushed open like a door with an Interact action, but it swings shut again unless wedged open with a heavy object.

Pathfinder Adventures: Troubles in GrayceORC