The piece only needs four, Lex has it a page back. But there is a point of issue, Easily fixxed but I'm pointing it out. One thing I've noticed with Sketchup models is that pepakura breaks the triangle a little weird sometimes. This ends up resulting in "broken" pieces
http://www.flickr.com/photos/dh748/7539989892/
Notice that the piece's paper counterparts is a little Split from certain points....just cut a curve following the Curved bit to the base of the ...this is difficult to explain.
Cut the blue lines basically...but you know. smarter
http://www.flickr.com/photos/dh748/7540016468/