A furnace is an important tool in Once Human that can be used to smelt ores into materials that are essential components of a wide variety of items. This includes weapons, armor, and advanced crafting. Crafting a furnace in Once Human involves two main steps: unlocking the blueprint and then building it using resources. Here’s how to get started.

Also read | How to build a teardown bench and get standard parts

First you need to unlock the Furnace Blueprint:

Building the oven: