Look at these...
they are a little bit gross, but they are 3D, if you cross your eyes so that there are 3 pictures......and then keep them crossed but look at the picture in the middle, after a few seconds your eyes kinda focus on the middle picture and it kinda goes all 3D
http://www.dewijs-3d.com/Macrolens_f...as/medical.htm
I dont know if this link will work though!!
