For use by: exporter_write_file "" "3DS" "DIVE" "DVS" "INVENTOR" "KML" "MASSIVE" "OPENGLDL" "POV" "QUAKEMD2" "RENDERMAN" "STLASC" "STLBIN" "TRI" "VRML1" "VRML2" "VRML2PROTO" "ASE" "COLLADA" "DXF" "IPACS" "LDraw" "LWO" "MILKSHAPEASCII" "MILKSHAPEASCIIS" "NMF" "OBJ" "OgrePlugin_MeshExport" "QUAKEMAP" "SCULPTYNORMALIZED" "SCULPTY" "SLB" "SMF" "T3D" "X3D"