This took a while to print all the parts, I didn't design the parts - but I don't see right now pictures of this large of use of the parts on thingverse.
The end shape is similiar to the mesh ball in a ball on thingverse, hexagons and pentagons...
Please note - not all of the individual parts came out completely flat - my UP! was being difficult with me.. But I am happy with the end result.
I only used Y1.stl and Y2.stl for this one:
(Scroll the picture down to get a scale - a 9V battery and a 12 inch ruler)
It looks a lot better in person than this picture! http://www.thingiverse.com/thing:4893
(The ruler is inches, it's roughly 9 inches in diameter)