Convex or Concave Sphere? – Drawing Optical Illusion with Charcoal Pencils – Vamos

Is it convex or concave sphere? Drawing a convex or concave sphere. How to draw optical illusion on lined paper. Cool 3d trick art. Awesome magic realism. Artistic graphic with Vamos.
• Material used:
Paper: 250×175 mm, white coloured cardboard.
Graphite pencils STABILO HB
STABILO Pen marker.
DERWENT charcoal pencils, dark and light.
White pastel pencil.
Kneaded eraser, ruler.
Cotton material.
♪ MUSIC: Elephants – Huma-Huma,
(Youtube Music Audio Library)
By Sandor Vamos. I’m Hungarian.
Copyright © New video 2017. Vamos. All rights reserved.

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