minecraft inventory Stock Png Images

My mind is blown How do I add an inventory slot? minecraft inventory slot png (Minecraft wiki] The expansion can be used only on + Available for all game Check if the item is in a specific slot minecraft inventory slot png so that the graphic was correct Now, for the fun part lol I ALMOST freaking have this I can literally place an item in my new slot, BUT

minecraft slot png  the bottom slots are the player inventory At the top, we have a slot for a tool, which