The Sortingwood Engine is the functional block of the Sorting Tree, one of the four magic trees introduced by the Twilight Forest mod. This block can be activated or deactivated with a right click. When active (i.e. when the eye is open), it will sort items in all nearby chests. This sorting process includes condensing stacks of items and compacting stored items into as few chests as possible. Note that the sorting process cannot be configured and therefore is unreliable for use in a proper sorting system. Whether active or inactive, it gives off light with a level of fourteen, the brightness of a torch.
This block's sorting capability does not extend to blocks from the IronChests mod, the BetterStorage mod, or MrCrayfish's Furniture mod. (verifications needed)