Hi there, I started exporting the Pipe Fittings by the Default 'IFC4 Design Transfer View' in Revit 2019, and I have noticed all curved families are missing. I have then went through multiple testing with v. 19.3.0.0 and below are the best outcome with the majority of elements I could get by exporting the geometry as High level of detail and ticking 'Allow use of mixed "Solid Model" representation', 'Use active view when creating geometry' and 'Keep Tasselled Geometry as Triangulation': Revit 2019...