| Crude Furnace | Furnace | Blast Furnace |
|---|
The Crude Furnace can be made at the Crafting Table after learning the recipe from Fletch through a quest.
A Crude Furnace is a production device that can smelt certain resources.
Recipe[]
| Source | Input | Output |
|---|---|---|
 Crafting Table
|
1  Campfire
3 5 |
 Crude Furnace
|
Processing Items[]
Items provided by 
Machine Manual
| Input | Time | Output |
|---|---|---|
5  Tin Ore
|
60s | 1  Tin Bar
|
5  Copper Ore
|
60s | 1  Copper Bar
|
1  Tin Sheet
|
60s | 1 Tin Bar
|
1 Spinifex Tuft
|
1s | 1  Spinifex Resin
|