Rpack Datapack 1.16.x, 1.17, 1.20.x

Smithing Table:

4 black dye from 1 + 1 charcoal (one left, one right)

Crafting Table:

24 slabs from 3 logs (all vanilla wood types)
16 stairs from 6 logs (all vanilla wood types)
recycle saddle to 4 leather

Furnace:

recycle iron armor and sword to iron ingots
recycle gold armor and sword to gold ingots
recycle bucket to 3 iron ingots

- Furnace gives xp according to count of ingots it produces
- any enchantments are lost
- all items count as new, damage value won't matter