Hyperrealistic speed drawing of a card square dice pendant

http://www.marcellobarenghi.com
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3D Illusion realistic drawing, hand drawn, still life drawing - Card Square Dice
FINAL PICTURE:
http://www.marcellobarenghi.com/2013/03/3d-illusion-realistic-drawing-on-paper.html
DRAWING TOOLS:
http://www.marcellobarenghi.com/p/materials-used-for-my-drawing-video-on.html
It took me 1 hour and 50 minutes
MUSIC:
"En la Brisa" by Dan-O at http://danosongs.com ("Package" Licence)
http://www.danosongs.com/music/danosongs.com-en-la-brisa.mp3