Precision Crafting

Precision Crafting allows players to craft items in specific quantities. This allows them to use less resources and avoid crafting excess items. 

For example, the iron bars recipe requires 6 iron ingots and makes 16 iron bars. In vanilla, if the player only needed 8 iron bars, they would end up with 8 excess iron bars. The excess iron bars are effectively 3 iron ingots lost, plus they will take up space in chests unless disposed of.

With Precision Crafting, the player could craft exactly 8 iron bars using the Precision Crafting Table. This would save them 3 iron ingots and avoid excess iron bars.

Precision Crafting Table Recipe

Usage

Notes:

• Required ingredient quantities are rounded up to the nearest integer. The table will consume exactly this amount, excess ingredients beyond this amount will remain in the slots. This means that although crafting 4 iron bars should require 1.5 iron ingots, the table will consume 2.
• The table only works with standard recipes (shaped or shapeless recipes with no custom logic). Ore Dictionary recipes are considered standard recipes. Recipes that use custom logic, like leather armour dying or firework star crafting do not function as they are highly likely to result in exploits otherwise.