Optical Illusions
by Gianni A. Sarcone and Marie J. Waeber

o
p
t
i
c
a
l
    Geometric Illusions 17    


Are the red lines
straight and parallel?




(Variants)


 
i
l
l
u
s
i
o
n
 
Read here before
copying and using
any of our images
or texts. Thanks
Optical illusion pages
Prev 15 16 [17] 18 19 20 21 Next
<:: :: :: :: :: :: :: :: ::>
Prev 7   [Next 7]
Suggest this page to a friend
Share ideas and
discoveries with
other puzzle fans
contact us
Cards, prints and more
Cards & prints
Free e-cards
Free E-cards
 
About Us | Sponsorship | Press-clippings | Cont@ct | ©opyrights | Tell-a-friend | Link2us | Sitemap
© Archimedes' Lab | Privacy & Terms | The web's best resource for puzzling and mental activities