Post crafting is merciless.

[Claycorp]

Crafting posts doesn't seem to have any defining recipe other than if there's an axe and a log under it make posts.

So this:

is the same as this:

It also only outputs the 4 posts while using all 8 logs. This also limits the ability for other recipes using an axe with logs below it unless the axe is in the bottom 3 slots.