Thursday, October 10, 2019

Free IFC 2020

From the Autodesk App Store:

The IFC for Autodesk® Revit® 2020 contains up-to-date improvements on the default IFC import and export capabilities of Revit contributed by Autodesk and our Open Source contributors.

While this app is not necessary for IFC support, it is recommended that users that depend on the quality of their IFC files download this app and keep it up-to-date, as new enhancements and defect fixes are added, for more information on IFC, please visit the building SMART website ( or the Revit wiki (

Read Help Document

About This Version

Version 20.1.0, 8/27/2019 – This is the first open source release for IFC 2020.

    • General:
      • This is a minor update for Revit 2020. It fixes issue of incorrect search folder for IFC schema files
    • General:
      • This is an update version for Revit 2020.
      • This version includes updates that is included in Revit 2020 out of the box IFC functionality.
      • IFC4 schema has been updated to the latest IFC4 ADD2 TC1 as well as all other related entities, PropertySets and other related properties.
    • New Functionality:
      • Two new export options are added:
      • Use Type name only for IFCType name
      • Use visible Revit name as the IFCEntity name
      • Added a few more IFC unit types:
      • IfcPowerMeasure
      • IfcMassMeasure
      • IfcLinearForce
      • IfcPlanarForce
      • built-in parameters IFC GUID parameters are no longer read-only.
    • Export Bug Fixes:
      • Various regression issues especially related to the default names for IFC entities
      • Improved consistency of PropertySet assignment. It now includes all PropertySets defined for the supertype.
      • Improved support for conditional PropertySet (PropsetySet assignment based on the entity type and its PredefinedType)
      • Improved handling of an Elliptical Wall in export
      • Improve export of grouped rebar
      • correct perimeter quantity export for metric units, and volume quantity export in mixed unit cases.
      • make Open IFC respect "Don't Import" setting when import IfcSpace.
      • Fixed an issue that resulted in the incorrect orientation of some elbow pipe or duct segments after IFC export.
      • Fixed export issue when working with Cloud model
      • Improved the generation of consistent IFC GUIDs when exporting doors and windows in sandwich walls.
      • Improved IFC export of walls with integral wall sweeps.
    • Import Bug Fixes:
      • Added support for IfcTimeMeasure
      • Added support for IFC metadata to Revit IFC importer.
      • store the IFC GUID of the containing element assembly to differentiate between assemblies with the same name.
      • Fix import of rebar with incorrect trim parameters from Tekla.
      • Improved import of IfcTrimmedCurve
      • Fixed issue of IFC files from Tekla have an unexpected 90 degree rotation about Z

IFC 2020 is brought to you by Autodesk, Inc. It's free.

This add-in is compatible with Revit 2020.

Download from the Autodesk App Store »

Questions? Contact the developer »

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