6Pale Oak Slab is a shaped crafting recipe that uses 3 items: 3 Pale Oak Planks. Place the ingredients exactly in the pattern shown above. The pattern can sit anywhere on the grid as long as its shape stays the same. It needs the full 3×3 grid, so you have to use a crafting table.
You need 3 Pale Oak Planks — 3 items in total, arranged as shown in the crafting grid. The recipe gives you 6× Pale Oak Slab.
Yes. The recipe needs the full 3×3 grid, which only a crafting table offers.
It is a shaped recipe: the arrangement matters. You can shift the pattern around the grid, but the shape must stay the same.
Pale Oak Slab is an ingredient in 5 crafting recipes, for example Barrel, Chiseled Bookshelf and Composter.
