Magnetic Fridge Clip

My wife gets these neat fridge magnets from different expos. I don't know exactly what they are called, but rather than use springs to create the holding power, they use magnets.

You need to print two pieces. When you press the magnets into each piece, make sure you put them in the opposite way -- north facing out on the top and south facing out on the bottom. That way any piece will align correctly with any other piece.

When correctly assembled, if you press one side together it will sna