What ingredients does the Single Bed need in Subnautica 2?

Single Bed requires 2× Titanium, 3× Fiber. It's crafted at the Builder.

Which crafting station makes the Single Bed?

The Single Bed is crafted at the Builder in Subnautica 2.

Subnautica 2 blueprint · Crafted at Builder · builder

Single Bed blueprint

Crafted at the Builder once the blueprint is unlocked.

Other builder blueprints worth checking out.