<rustitem id="-1999722522" shortname="furnace"> <name>Furnace</name> <category>Items</category> <description>A Furnace. Use it to smelt mined ore.</description> </rustitem> ##Crafting Costs - x75 Metal Fragments ##Recycling Output - x38 Metal Fragments #Usage The furnace smelts one item from each stack at the same time. Since the furnace has 6 slots, it is wise to have one slot for wood, 3 slots for the un-smelted resource, one empty slot for charcoal, and one empty slot for the smelted output.⤶ ⤶ ## Most Efficient Stack Sizes⤶ <upload src="3ef95/8d89949a83a62e4.png" size="32577" name="image.png" />⤶ <upload src="3ef95/8d89949d4cdcd47.png" size="34535" name="image.png" />The furnace smelts one item from each stack at the same time.