https://docs.google.com/forms/d/1eFIRSsfica738xH8P67bFNjyyboJDfcctwtpxE1FPac/viewform
If enough people do this we might be able to crowdsource some real evidence that cats can see visual illusions!
/Rasmus
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Sure it is anecdotal evidence, but anyway. The snake illusion is made by Professor Akiyoshi Kitaoka. See his homepage for more nice illusions: http://www.ritsumei.ac.jp/~akitaoka/index-e.html .
