1. Open a Revit model in Autodesk® Navisworks®
2. Select the model, units, offset
3. Hit apply and you’re done!

Sections:

Model:  This allows you to select the Revit model that you want to apply to the viewpoint by level. To use this input, click on the dropdown menu and select the desired model from the list.

Units:  You can select the units that you want to use for the offset. To use this input, click on the dropdown menu and select the desired units from the list.

The available units are: Meters, Feet, Inches

Plane:  This input allows you to specify the distance between the cutting plane and the reference level of the Revit model. To use this input, enter a value in the input box. The value should be in the same units that you selected in the Units List input.

The installer that ran when you downloaded this app/plug-in from Autodesk App Store will start installing the app/plug-in. OR, simply double-click the downloaded installer to install the app/plugin. You may need to restart the Autodesk product to activate the app/plug-in. To uninstall this plug-in, exit the Autodesk product if you are currently running it, simply rerun the installer, and select the "Uninstall" button. OR, click Control Panel > Programs > Programs and Features (Windows 7/8.1/10/11) and uninstall as you would any other application from your system.