Getting ready for a Replicator, I converted Ian West's very nice model of the original Enterprise http://sketchup.google.com/3dwarehouse/details?mid=f929ce0f38813f409c8b57ff1ee97f7b&prevstart=0 to STL. It made it through Skeinforge just fine, so I think it'll print (with external support material).
Enterprise-ToS-01-1.stl | 15.8MB |