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You can use your mouse to click and drag to rotate the object in 3 dimensions,. Use your mouse wheel or track-pad zoom gestures to change viewing magnification. Alternative you may use the on-screen zoom slider and directional buttons to control the view.
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To zoom in and out of the image, drag the slider in the horizontal bar.
To scroll through the 3D reconstruction, you can use your mouse wheel , or a two finger drag on a trackpad or magic mouse, or drag the slider in the horizontal bar.
Since the surface is generated from CT scan layers, you can zoom in and see all surfaces of the object, including the interior.
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