The Kiln is a multiblock structure that is used as an in-world crafting device for many advanced materials.
The fundamental requirements to form are Kiln are as follows:
* Four of any valid Brick Block (only Vanilla clay bricks by default).
* The first block must be over a valid heat source, Fire or Stoked Fire.
* The first block must have an air block directly above it
* The other three must surround that air block in any of the possible permutations
Here is an example of some kiln structures:
The Kiln can be used for the creation of: