Drinking Bird Ornament

This drinking bird ornament will bob continuously whenever your Christmas lights are on. Since the bird is a heat engine, a cool head and warm body (temperature difference) will cause the bird to bob.
Video at: http://www.youtube.com/watch?v=LZnzyz4yiH0&feature=youtu.be

Print this (enlarge to 102%). It's 9 1/2 inches long and that fits on the MakerBot Replicator 2.

Insert an ornament hook (or paper clip) in the top hole. Insert a drinking bird in the square side holes:
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