How to draw a realistic lightbulb 2

How to draw 3D realistic things with mixed media on gray paper. 3D illustration of a lightbulb by Marcello Barenghi http://www.marcellobarenghi.com
➜ MUSIC: by Kirill Khursey please feel free to visit http://www.khursey.com
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➜ PLEASE TURN ON NOTIFICATIONS so you never miss a drawing :) info: https://support.google.com/you....tube/answer/3382248?
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➜ MY DRAWING TOOLS:
mixed media on grey paper, colored pencils, markers, watercolors, acrylic and airbrush http://www.marcellobarenghi.com/p/materials-used-for-my-drawing-video-on.html
➜ FINAL DRAWING: http://www.marcellobarenghi.com/2013/07/lightbulb-realistic-drawing.html
➜ THIS DRAWING TOOK ME: 3 hours and 3 minutes

Just another crazy realistic lightbulb drawing,
This timelapse video shows the drawing process of a hyperrealistic bulb, mixed media on gray paper by Marcello Barenghi - Italian Art.