Hyperrealistic speed drawing of a Coconut

http://www.marcellobarenghi.com
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Illusion 3D fantastic coconut realistic drawing
Final picture:
http://www.marcellobarenghi.com/2013/03/coconut-drawing.html
Drawing Tools:
http://www.marcellobarenghi.com/p/materials-used-for-my-drawing-video-on.html
It took me 1 hour and 30 minutes
Music: "Climb to Elara" by Dan-O at http://danosongs.com ("Package" Licence)
http://www.danosongs.com/music/danosongs.com-climb-to-elara.mp3