Link PDF stores the file path to the PDF, and the PDF graphics will automatically update when the revit file is opening if the PDF changes. Convert 3D PDF files back to CAD models.In the image below, I’ve started tracing over the PDF’s 2D lines to show the use of the grip to create Revit Walls. Architects (and Revit Architecture) depict elements going up. Duckling darlings help families dispel pandemic blues. This file can be opened in free 3D PDF viewers like Adobe Reader. : The publishing file format 3D PDF is not intended for backward conversions and importing to CAD applications. Pdf to revit converter - Add the image to the GIS software.