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4. Select DWG/DXF from the list.
5. In the area on the right, select the appropriate DWG loader version or the file version of
your DWG.
Here’s an easy way to think about this: Say the DWG file you’re trying to load in
Navisworks was created in AutoCAD MEP 2010. To open the file, install the AutoCAD
MEP & Architecture 2010 Enabler. In Navisworks, set the DWG loader version to 2010.
6. Before opening the model in Navisworks, make sure that all previous NWC files that are
referencing the DWG files have been deleted. Remember, Navisworks will load the NWC
file if there are no changes to the DWG file. In other words, even if you have the object
enabler configured properly, Navisworks will ignore it as long as the NWC file is current.
Deleting the NWC files will force Navisworks to read the DWG file with the proper object
enablers and re-cache the NWC files.
The Bottom Line
Understand Navisworks file formats. Having a complete understanding of the different
file formats is important. The 3D files are the building blocks for any successful Navisworks
project. Take time to fully understand file formats before moving ahead.
Master It What are the three native file formats that Navisworks uses? What is the ad-
vantage of using the NWF format rather than the NWD?
Open and append files. Appending and merging files is the proper way to create highly
complex yet intelligent 3D models. Aggregating and sharing this information with a larger
audience helps drive efficiency and increased project awareness.
Master It How can the Merge feature complement the design review process with an
extended team?
Configure object enablers. Not all files types are created equally. Proper planning and
understanding of the various file types will help you identify where object enablers are
required and configure the proper setup to ensure uninterrupted access.
Master It How do you display a custom object in Navisworks?
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