Result: 1× Chiseled Polished Blackstone
Chiseled Polished Blackstone is a shaped crafting recipe that uses 2 items: 2 Polished Blackstone Slab. 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. Because it fits into 2×2 slots, you can craft it directly in your inventory — no crafting table needed.
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You need 2 Polished Blackstone Slab — 2 items in total, arranged as shown in the crafting grid. The recipe gives you 1× Chiseled Polished Blackstone.
No. The recipe fits into 2×2 slots, so you can craft it in your inventory's crafting grid. A crafting table works as well.
It is a shaped recipe: the arrangement matters. You can shift the pattern around the grid, but the shape must stay the same.