I love optical illusions, and this guy is a master. He has lots of videos on Youtube, here are three favorites.
As it were…
As it were…
The ruminations of topher1kenobe
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Wings of the Morning
Share the Well
1 dayPunjabi Group with Joseph D'Souza
Share the Well
1 daySarala
Share the Well
1 dayThe Innocent's Corner
Share the Well
1 dayBombay Rain
Share the Well
1 day
The Nintendo one is by far the most impressive to me. Very Escher-esque.