THIS TUTORIAL IS UNDER DEVELOPMENT
In newer versions of the plugin you can change the look of crafting inventories. This configuration is found in the crafting_inventories.yml file.
Be careful because each of the inventories have limitations and you can't place items in every slot.
#This is the Crafting Inventory where all craft will be displayed.
#This inventory has 45 slots.
#You can add an item to any slot of this inventory except:
#10-16, 19-25, 28-34, 37-43
crafting_inventory
#This is the Crafting Item Inventory where the required items will be displayed.
#This inventory has 45 slots.
#You can add an item to any slot of this inventory except:
#12-16, 21-25, 30-34, 19, 41
crafting_item_inventory
You can set the same option for every Item as in the Categories inventory, that includes: slot, name, lore, skull-texture, skull-id