The Quartz Infuser is a block added by the “Quartz Infuser” datapack. It that allows a wide selection of blocks (300+) to be transformed into player heads.
Place a block on the ‘Quartz Infuser’ while putting quartz in it’s slot to miniaturise it.
By putting 4+ Player Heads of the same block inside the slot they will transform back.
This item is crafted inside the Worktable which is a block added by Sallan’s Core.