Compressor
The Compressor is in the Basic Machines category. It is a multiblock structure.
The Compressor is a multiblock structure, it consists of a dispenser, a nether brick fence and 2 pistons.
A complete setup should look like this:
You can also place an Output Chest next to the dispenser to collect your compressed items. If there is no Output Chest, then it will be put in the dispenser.
The Compressor is used to compress various item, check out the Compressor in the Slimefun Guide in-game for more recipes.
To use the compressor, you need to put the items you want compressed in the dispenser and when you right click on the fence, if there is a viable conversion possible, it'll convert your items and output them.