This model prints one entire side of the chess pieces. You will need to order this once, in one color material, and then again, in a different material, if you want both sides for a complete set.
The pictures show White Strong Flexable, Alumide, and Grey Robust prints. Look closely at the Grey Robust, it's got some small artifacts left over from the printing process, so if that's not desirable, I'd recomend picking a different material.
You can see a quick movie of them on youtube here: http://www.youtube.com/watch?v=RgddwntyoTc
They look great sitting on my hand made checkerboard, so I'm sure you'll enjoy them too.