pf2e.fyi
From Pathfinder #147: Tomorrow Must Burn, which isn't enabled.

Trapped Lathe

COMPLEX HAZARD 10
Stealth +19 (expert); DC 29 Perception to notice the line of cord running from the lathe's trigger toward the door to area A2.
Description The powered lathe's springs have been critically overwound so that when jostled or triggered, the lathe unwinds violently, hurling blades, gears, and sharp shards of metal around the room.

Disable DC 31 Thievery (expert) on the lathe releases the tension on its springs without unleashing its blades and gears.

AC 30; Fort +22, Ref +14
Hardness 18, HP 72 (BT 36); Immunities critical hits, precision

Unleash Fragments
Trigger The lathe is jostled or damaged, or its trigger is remotely pulled.

Effect The trap makes a sharpened fragment Strike against a random target in area A1, then rolls for initiative.
Persistent Bleed Critical

The sharpened fragments deal 1d8 bleed on a critical hit.

Melee Sharpened Fragment +26, Damage 2d8+12 slashing plus Persistent Bleed Critical
Routine (4 actions) The lathe attempts four sharpened fragment attacks against creatures in the room, selecting a target randomly from all available targets in area A1. The trap does not take multiple attack penalties for any of its attacks. The trap loses 1 action each turn as its springs wind down, and becomes disabled when it has 0 actions.
Pathfinder #147: Tomorrow Must BurnOGL