⇐ Click any two opposing corners of the image area (top-left & bottom right, or top-right & bottom-left) to crop the margins.
⇐ If the picture is wonky, click the angle adjuster on the right of the view to rotate.
|⇐ Click to the left or right of the centre line by differing amounts to shift the red image to the left or right, until a satisfactory 3D image is obtained. (The yellow arrow indicates the current offset.)|