Tuesday, December 25, 2012

8. Both Horizontal and Vertical


 Bruno Ernst "Adventures with impossible figures". 
8. Both Horizontal and Vertical 

Tuesday, December 18, 2012

7. Planes, far and near at the same time

Bruno Ernst "Adventures with impossible figures" 
7. Planes, far and near at the same time

Sunday, December 16, 2012

Thursday, December 13, 2012

6. Impossible stiars


Bruno Ernst  "Adventures with impossible figures"
Chapter 6. Impossible stairs  

Saturday, December 8, 2012

5. Impossible cuboids


Bruno Ernst "Adventures with impossible figures"  
Chapter 5. Impossible cuboids  

Wednesday, December 5, 2012

4. Perceptual Inversion


Bruno Ernst. "Adventures with impossible figures" 
Chapter 4. Perceptual Inversion  


Saturday, December 1, 2012