Call model from Python using the ImportToolbox function.<a href="http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#//000v00000046000000" target="_blank">http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#//000v00000046000000</a>******************************************import arcpyarcpy.CheckOutExtension("3D")arcpy.ImportToolbox(r"<a href="file:c:/temp/Toolbox.tbx" target="_blank">c:\temp\Toolbox.tbx</a>")output = r"<a href="file:c:/temp/SkylineOutput2.shp" target="_blank">c:\temp\SkylineOutput2.shp</a>"#ModelName_ToolboxAliasarcpy.SkylineModel_SkylineTools(output)print "complete"******************************************