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This article contains information that is updated for the latest Experimental Version of Subnautica. Players using stable mode may find this information inaccurate.

The Laser Cutter is a tool that is crafted at the Fabricator. Fragments of the Laser Cutter must be scanned in order for its blueprint to be unlocked.

Its primary function is opening sealed doors in Wrecks and the Aurora. It has an Energy level which can be replenished with a Battery.

When equipped, it emits light in a five-meter radius from the player.

Power UsageEdit

Cutting open one titanium door will drain 17% of the charge of a normal battery.  


DiamondBatteryTitaniumCave SulphurArrow-right (1)FabricatorArrow-right (1)Laser Cutter

Data Bank EntryEdit

The ultra high frequency laser cutter is tuned specifically to cut through titanium and plasteel based materials at a thickness of up to 10cm. This makes it an essential tool for construction, salvage and rescue operations, but ineffective on natural obstacles.

The Alterra Laser Cutter: Who called the locksmith?



  • In previous versions of the game, the Laser Cutter was crafted at the Modification Station with a Repair Tool and a Diamond.
  • Previously, for every 2% of usage on an object, the Laser Cutter's battery percentage went down by 1%. Thus the player could get two objects opened before needing to replace the battery.