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When selected, the 3D image will be displayed similar to the following:
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The image can be rotated in all 3 axes by clicking the left button of the mouse and then using the mouse to move the image. 
The button on the mouse can be used to make the lens images larger or smaller.
If you click on View and select Markers you will get the result display below
In the 3D example below you can see the Markers, Thickest Point (blue point) Thinnest Point (yellow point) and the Red arrow represent the based angle of the Prism
The 3D display also supports a measurement mode, where the user can see the thickness of any point of the lens:
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