Revit to 3D PDF: BIM Functionality
If you are working with clients who have Revit, the best option for sharing your models is in Revit; however, if they don’t 3D PDFs may prove to be really valuable. 3D Pdf can be good for marketing and clients are able to view a 3d model and the embedded data, compressing large files and filtering them for viewing.

Note: Such a conversion is only possible using Adobe Acrobat Pro Extended version. Normal pro versions don’t have the IFC data input option.

FROM REVIT TO IFC

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After you have finished your Revit model, the first step in creating a 3D PDF is to export the model using the IFC option. To export a model to an IFC format, you first have to be in a 3D view of the model in Revit. Then,
EXPORT -> OPTIONS -> IFC OPTIONS.
Each object is assigned to an IFC Class; for example, Areas exports to IfcSpace. So, adjust accordingly.
Now,
EXPORT -> IFC.

IFC TO PDF
Start by creating a PDF from a blank file.

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To import your IFC model, go to
TOOLS-> MULTIMEDIA -> 3D TOOL and draw a box on the blank page.
After drawing the box, you will be presented with a window asking for the location of the IFC file as well as some options for displaying your model.

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Save your PDF and you now have an interactive 3D PDF.
Interacting with the model
When you open the PDF in Acrobat Reader, you may have to click to activate the 3D content. The main window contains the 3D model.

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Interact with your model as you would most other 3D programs: Scroll your mouse wheel to zoom in and out, left click and move your mouse left, right, up, and down to move the model. For other controls and to modify the model, there is a toolbar floating above the 3D model box.

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