Trust The BlackSmith || TTB

From left to right, all stages of burning of your sword material ! (Yes the furnaces are not lit, but you get it)

[Left : All paths] [Right : in order, half slabs, vanilla slabs and then one and a half slabs]

They can be used as a transparent ceiling !

[down : Paper Windows, 2 variants] [up : Paper Lanterns]

They can nulify your fall damage !

You can change the 3 slots which are not the [ hammer (extreme left) ] by other materials and patterns !

[Chains] used, but wooden and cobblestone poles too, on the pillar !

[Down : All Roofs] [Middle Down : Cheminey] [Middle Up : Supports] [Up Left : Paper Blocks] [Up Center : Odd Bricks] [Up Right : Surrounded Iron Bars]

[left : Vanilla] [Right : TTB's]

We can see Hay Roofs, swords, hay cheminey, supports, wooden windows and surrounded Iron bars !