Block of Lapis Lazuli is a shaped crafting recipe that uses 9 items: 9 Lapis Lazuli. 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.
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You need 9 Lapis Lazuli — 9 items in total, arranged as shown in the crafting grid. The recipe gives you 1× Block of Lapis Lazuli.
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.
Block of Lapis Lazuli is an ingredient in 1 crafting recipe, for example Lapis Lazuli.