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The following figure shows a cross-eyed stereographic (link takes you to another site) view
of the relationship of lines and planes.
Note that the red line intersects the light blue plane,
the dark blue line is parallel to the
light blue plane, and
the yellow line is contained on
light blue plane.
To view you must cross your eyes until the two images become one.
For more information about this technique, click here (link takes you to another site).
Lines and Planes in Cross-eyed 3D

The following figure shows a parallel stereographic (link takes you to another site) view
of the relationship of lines and planes.
Note that the red line intersects the light blue plane,
the dark blue line is parallel to the
light blue plane, and
the yellow line is contained on
light blue plane.
To view you must diverge
your eyes until the two images become one.
For more information about this technique, click here (link takes you to another site).


Lines and Planes in Parallel 3D

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