Magic Mouse Battery Holder (Disconnect Fix)

My very first thing... :)

Got a magic mouse an found that it disconnects due to batteries moving about when in use.
Found that placing a folded piece of paper between the batteries and cover prevented further disconnects. Not the most elegant solution if you own a 3d Printer...

Finally got around to designing a battery holder. The part should fit the battery cover as shown in pictures and will sit snuggly between the two lips on the cover without the need for adhesive. If you find that it