Create 3D PDF files from Autodesk Revit for free

Here is how to do it:

1. Close Revit


2. Download and install i-model plug-in for Revit (you will have to register)


3. Download and install Bentley View


4. Open a Revit project


5. Open a 3D view


6. In the Ribbon, go to Bentley - Publish as i-model


7. Open the i-model DGN in Bentley View


8. File - Print to PDF


9. Tick 'Print to 3D'


10. Click Printer button


11. Choose a place to save your file


12. Open the 3D PDF in Adobe Reader


13. Have fun navigating your Revit model inside a 3D PDF file.