Revit IFC manual - Autodesk
help.autodesk.com › IFC_Handbuch-ENU-final8| AutodeskRevit IFC manual INSTRUCTIONS FOR REVIT USERS 2.4 IFC structure IFC files create a building model based on a pre-defined structure that builds the model in a logical way. When it is saved, the IFC file format orders the IFC units hierarchically according to their type, as follows.