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How to convert IFC (Industry Foundation Classes) to CADMATIC (3DP)?

PolyTrans|CAD+DCC performs mathematically precise CAD, DCC/Animation, GIS and BIM 3D file conversions into all key downstream 3D packages and file formats. Okino software is used and trusted throughout the world by many tens of thousands of 3D professionals in mission & production critical environments, backed by respectable personal support directly from our core development team.



The Industry Foundation Classes (IFC) is a CAD data exchange object-based file format with a data model developed by buildingSMART to facilitate interoperability in the architecture, engineering and construction (AEC) industry, and is a commonly used collaboration format in Building information modeling (BIM) based projects.

IFC files can be written out by such industry standard programs as: ArchiCAD, Allplan, Autodesk's AutoCAD and Revit, Microstation, Tekla Structures, SmartPlant3D and Vectorworks.

Please note: you would always want to use the DWF-3D file format and the Okino DWF-3D file importer to import 3D model data from Autodesk's AutoCAD, Navisworks and Revit, as well as AVEVA's PDMS software.

It is may be safe to say that few 3D graphics users properly understand IFC or why/how it should be used, when it should be used or how it is to be used. In simplistic terms, IFC is NOT a universal data interchange file format like COLLADA, FBX, 3ds, OBJ, DXF, DWG, etc. Rather, IFC is more of an "abstraction" for an architectural model so that BIM companies can exchange IFC files for design iterations without any loss in overall geometric quality. Hence, the basis of IFC is to make an abstract building with stories, floors, doors, columns, windows, etc. From these hang "abstractions" such as 2D plan views and 3D renderable geometric data.

While IFC can be considered a standardized file format by BuildingSmart, not all 3D programs or 3D viewers will "interpret" an IFC file in the same manner due to the abstract nature of the file format and also by the generally loose manner in which a model can be defined and with different contexts and representations.



Cadmatic Oy developers 3D software for the plant and ship building industries.

Okino and Cadmatic have collaborated for many years to create a fluid 3D conversion pipeline from Okino's CAD importers into Cadmatic 3D Plant software. This is achieved through a custom 3D export converter module for Okino software which creates "3DP" files. Such files can then be loaded into Cadmatic's 3D plant design software.

This custom solution allows Cadmatic users to source from all primary MCAD and CAD programs, resulting in highly optimized, clean and robust 3DP files. Commonly requested source MCAD programs include SolidWorks, ProE/Creo, IGES solids, STEP solids, PARASOLID solids, DWF-3D, (for the technically best AutoCAD, NavisWorks, Revit, Inventor conversions) DXF/DWG, JT and basically all other top named MCAD programs.

The 3DP Exporter plug-in for Okino software is developed and maintained by Cadmatic. Please contact them directly to obtain the 3DP installer.

If you wish to convert from the Cadmatic 3D Plant software into other BREP solids modelling programs (such as SolidWorks, Unigraphics NX, Siemens Team Center, ProE/Creo CATIA, etc.) then please contact Cadmatic directly for their speciality methods and processes. Such processes are not provided by Okino software as its requires special processing of data from the 3D Plant software. As examples, Cadmatic 3D Plant can export JT "solids-based" files for Unigraphics NX and Siemens Team Center, while the use of a local copy of AutoCAD allows Cadmatic 3D Plant datasets to be converted into "solids" for Autodesk Inventor and other programs.