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Commenting on 3D designs in PDFs

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Learn how to add comments to the 3D designs in PDFs using Adobe Acrobat's different commenting tools. 

Before you begin

We're rolling out a new, more intuitive product experience. If the screen shown here doesn’t match your product interface, select help for your current experience.

In the new experience, the tools appear on the left side of the screen.

Comments added to a 3D model are associated with specific views that are defined when the comments are added. If the view is changed, for example,  if you rotate or move the 3D object, the comments won't be visible anymore.

Following are the three ways to add comments to a 3D model in PDF:

  • Add 3D Comment option on the 3D toolbar to add comments to specific parts of a 3D model.
  • Add comments option on the All tools pane to add various comment types to a 3D view.
  • Convert a 3D measurement into a comment.
Note:

Adding comments to 3D model views requires version 7.0.7 or later of Acrobat or Reader.

When the view of a 3D object is changed, any comment associated with that object disappears (right)
When the view of a 3D object is changed, any comment associated with that object disappears (right).

Note:

If you don’t want to associate a comment with a 3D view, add the comment outside the 3D object area.

Add comments from the 3D toolbar

The 3D comment tool is used to add measurements of different parts of a 3D model. These comments are linked to those specific parts. Adding 3D comments creates a new view called 3D Comment View, and are listed as components in the Model Tree. You can edit and remove 3D comments the same way as measurements.

  1. Select the Add 3D Comment option on the 3D toolbar.

    Note:

    If the Add 3D Comment option isn't visible in the toolbar, right-click on the 3D model, and then select Tools > Add 3D Comment. You can also expand the default 3D toolbar, by right-clicking on the 3D model, and then selecting Tools > Expand 3D Tools.

  2. Select the part from the 3D model where you want to add a 3D comment.

  3. In the Enter Comment String dialog box, add your comment.

Add comments from the comment toolset

When you add comments by using the comment toolset, a new view is created in the Model Tree called CommentView.

Note:

Adobe Reader users can only add comments to a PDF if the document author enables commenting for that PDF.

  1. Go to All tools > Add comments.

    The comment toolset is displayed in the Quick action toolbar.

  2. Select the Add a comment from the Quick action toolbar.

  3. Select the 3D model area where you want to add the comment. Your comment is added.

    A new view definition is also created in the Model Tree with a default name such as “CommentView1.”

  4. To add more comments, do one of the following:
    • To create an additional comment in a view, make sure that the commenting view you want is selected in the Model Tree. Then, select the 3D model area.

    • To create an additional comment in a new commenting view, make sure that no commenting view is selected in the Model Tree. Then, select the 3D model area.

Note:

If you delete one of these auto-generated commenting views, the associated comments are still available. You can view and select them in the Comments panel on the upper right of the screen or in the Model Tree, where they are listed under the views. Selecting a comment switches the 3D model to the same viewing configuration it had when the comment was added.

Convert 3D measurements to comments

Individual measurements can be converted to comments so that they can be reviewed and annotated like the usual comments.

  1. In the View pane of the Model Tree, right-click the plus sign next to the measurement view to display the list of individual measurements.

    Note:

    The measurement view is available only when you have added measurements by using the 3D Measurement Tool .

  2. Right-click a measurement name, and then select Convert To Comment.

    Convert Measurement to Comments
    Convert measurements into comments

Display comments for a 3D model

  1. To display comment on a 3D model, try one of the following:

    • In the Model Tree, select a view that contains comments.

    • Select All tools > Add comments, the comments are displayed in the comment list in the right pane.

    • In the View pane of the Model Tree, select OptionsList Comments.

    List Comments
    Enable the List Comments option from the View pane of the Model Tree

  2. Double-click a comment to open its comment window.
  3. Repeat steps 1 and 2 to check other comments associated with other views.

Selecting a comment displays the 3D model in the same view as when the comment was added.

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