Get nested model line information from family

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Elements belongs to Subcategories

Hi Ahmed, This revised version takes a list of elements and a list of subcategory names and returns a list of geometries and a corresponding list of subcategory names that the geometry belongs to enable further filtering / sorting. Hope this helps, Thomas [image] # Enable Python support and load DesignScript library and Revit nodes and services import clr clr.AddReference('RevitAPI') from Autodesk.Revit.DB import * clr.AddReference('ProtoGeometry') from Autodesk.DesignScript.Geometry impor…