Faceless windows and doors :o

[c.poupin]

Hi @Alien

if it can help you, here is a trick to get the solid of an opening

Get void of Family type in a project

Hi, solution by analyzing cut lines geometry (hidden lines) [get void cut] import clr import sys import System clr.AddReference('ProtoGeometry') from Autodesk.DesignScript.Geometry import * import Autodesk.DesignScript.Geometry as DS clr.AddReference('RevitAPI') import Autodesk from Autodesk.Revit.DB import * import Autodesk.Revit.DB as DB clr.AddReference('RevitNodes') import Revit clr.ImportExtensions(Revit.GeometryConversion) clr.AddReference('RevitServices') import RevitServices from R…