Result: 4× Polished Blackstone Bricks
Polished Blackstone Bricks is a shaped crafting recipe that uses 4 items: 4 Polished Blackstone. 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 4 Polished Blackstone — 4 items in total, arranged as shown in the crafting grid. The recipe gives you 4× Polished Blackstone Bricks.
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.
Polished Blackstone Bricks is an ingredient in 3 crafting recipes, for example Polished Blackstone Brick Slab, Polished Blackstone Brick Stairs and Polished Blackstone Brick Wall.