Import [IFC file](https://github.com/aothms/IfcOpenHouse/blob/a6cbded22a9631002d79ad8acbfb5305d1f94d48/IfcOpenHouse_IFC2x3.ifc) into Revit Export [IFC file](https://github.com/OpeningDesign/IFCopenHouse_Lantern_Hollow/blob/68290b389694f524126b5899bc6f94d67e136e6d/IfcOpenHouse_IFC2x3.ifc) from Revit  result...