You can see the full crafting recipe for the furnace below: At a crafting table, place eight stone blocks (cobblestone is easiest) in every box but the middle one. This is all that's needed to ...

as it is the easiest stone block to obtain. Before crafting a furnace, the Crafting Table is the most essential block in all of Minecraft. It expands the crafting grid’s capacity from a 2×2 to ...