optical illusion.

ready for another brain frying teasers stoners? heres more optical illusion to figure out,*best amazement & paro when high* lol.

is the blue side of the cube on the front or at the back?
a spiral yes?or just a group of circles???
which inner circle is bigger?or theyre just the same?hmmmm...


are the purple lines parallel or bend?
do u see circles or diamonds?


3D painting
groovy~~
note,its a still picture yet our eyes says it moved!
another example.

click on the picture to get a more clear vision of the hypnosis...