The links below will open new windows containing text stereograms.
A text stereogram is very similar to the random-dot image
stereograms that you have probably seen published in various books,
magazines and posters. Unfortunately, a text stereogram often
proves to be more difficult for the beginner to view.
To view this stereogram, keep your head perfectly level and relax
your eyes. If you slowly try to cross your eyes until the two
vertical lines at the bottom appear to become three lines, you will
be able to see five levels of concentric square frames placed one
behind the other. You should be positioned about 8-12 inches
away from your monitor screen. Remember what your Mom said about
not sitting to close to the TV? She was right, so please stare
into the monitor at your own risk. You might choose to print out
the stereogram instead.
No, this isn't a joke -- there really is a 3-D image encoded in
If you are interested in seeing how the stereogram is created, or
in creating your own text stereograms, feel free to view the source
code of the page. All of the instructions for creating your own
text stereograms are included in the comments, as well as an
explanation of the algorithm. Believe me, it's easier than you
I have found that some browsers will block the page content
because the majority of the text is written dynamically by the
version indicated above. The stereogram below was generated by
to view the static text stereogram.