For me work at about 60 cm from the monitor.
Obviously it’s not a true stereo shot but the effect is noticeable.
You have to cross your eyes like a cross-eyed person.
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Got it to work for a short moment, but immediately lost it again. I fear if I try to keep it for a longer time in focus, I get a serious headache. 
See Midtown manhattan stereo photograph cross-eye view
or look for stereo photography, it’s fascinating, but it gets boring right away
What size monitor, please?
22"
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Thanks - so, assuming say 0.15 mm pixel pitch, the cat’s noses subtend about 25 degrees in your case and 35 in mine at my normal viewing distance of 45 cm.