The Better Smithy will allow you to craft your Structural items in addition to all the default Smithy items, as well as Stone and Tranq Arrows. it includes Thatch building tiles, Wood building Tiles, and Stone building tiles. along with other crafting tools such as preserving bins and cooking pots.
All items are vanilla, no changes have been made other than to give you the option to craft your structures in a crafting station in addition to your inventory.