Lava Furnace

[Yevn]

Text:

1. Dig a 3x3 whole
   
2. place 9 obsidian in that whole
3. place a furnace at the front and 7 obsidian leaving the middle open
4. place 3 obsidian in front 3 in back
5. surround the furnace in cobblestone stairs leaving the corners and front of the furnace open
6. finish by placing a sign and typing [Lavafurnace] include the brackets

Tips:

• You can add chest to the furnace to allow for mass smelting, left is the input chest right is the output. Place them in the front two corners.
• Putting lava buckets into the receiving (left) chest will automatically replenish the furnace upon depletion.

Video: