MakerBot Print is our newest print-prepration software, which supports native CAD files and STL assemblies,
allows you to interact with all your printers via the Cloud, and many other exciting new features.
I agree that it seems to be an odd pose, however it is a standard Fred Flintstone pose. Google pictures of Fred and that is what pops up most of the time.
Actually, the pose made the modeling more difficult for me, but I was trying to ensure he stayed in character.