To work with embedded 3D content, you have to activate it. Select the Hand tool then click the 3D object (or right-click and choose Activate 3D). This displays the 3D tools.
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This is the default layout of the 3D tools. You can have more by right-clicking an embedded 3D object and selecting the Expand 3D Tools command. See Extended 3D Toolbar to read about these additional tools.
Toolbar buttons (from left to right):
Viewing
1. Rotate the object around an axis.
2. Spin it around a point.
3. Pan the object within the 3D element area.
4. Walk: change viewing perspective and distance.
5. Zoom: zoom view in or out.
Measurement
6. Use this tool to measure edges and distances between vertices. For details see: Embedding 3D Objects in a PDF..
Model tree
7. This tool lets you display your 3D model hierarchy. For details see: Model Tree.
Display
8. This button switches back to default view.
Animation
9. If the embedded 3D object is animated, use this control button to Play/Pause it. The picture above shows 'Play'
Background
10. Use this tool to select a background color from the palette.
Tip
Learn more about The 3D object shortcut menu.