Wednesday, February 24, 2016

Polyhedra in Perspective

CAVALIERE PERSPECTIVE:  THE PRISM



DIFFERENT POSITIONS OF PRISM
Extracted from Gonzalo Mori´s book: Ejercicios para Selectividad-Dibujo Técnico, Universidad de Oviedo


CYLINDER   (Cavaliere Perspective)

First, draw diagonals.
                       Divide each half part of square into three parts,
 Draw a parallel line to y by the first part.
Join the points obtained
CYLINDER (Isometric system)
Exactly the same but, in this case, you have to use the drawing compass.

CONE (Cavalier perspective)


                           

Monday, January 11, 2016

Optical illusions: Op-art and 3D street Art



Visit:




4-ESCHER

http://www.mcescher.com/


(In Memorian of David Bowie, 1947-2016)

5-DALI   http://webneel.com/salvador-dali-famous-surreal-optical-illusion-paintings


....AND OTHERS....https://es.pinterest.com/debrahar/figure-ground/

http://www.pastemagazine.com/blogs/lists/2013/09/look-twice-10-artists-who-specialize-in-optical-illusion.html

http://www.shutterstock.com/s/optical+illusion/search.html?page=1&inline=97622525