About this 3D model

I found this on Google 3D Warehouse SDF-1 Movie Version Storm Attacker uploaded by: Jason,http://sketchup.google.com/3dwarehouse/details?mid=843a8037644d289ad0715a4726b6c386&ct=mdrm&prevstart=0I cleaned it up some in Sketchup (swapped surface directions) and exported the STL file.