This allows you to get invisible armor stands in survival minecraft so that you can have items to decorate your builds with. Just rename an armor stand to invisible and give it an item and it will turn invisible! you can reverse this by changing the name of the armor stand or taking away all its armor and items.
Crafting recipe:
This addon also comes with a custom crafting recipe for name tags because you need them to get the invisible armor stands. You can toggle the recipe on or off in the pack settings.