CRATER ILLUSION - Drawing 3D Crater - Anamorphic Illusion on Paper

How to draw 3D crater illusion. Drawing 3D Crater. Anamorphic illusion on paper.
♪ MUSIC:
1. Three Kinds of Suns - By Norma Rockwell,
2. Eyes of Glory - Aakash Gandhi,
https://www.youtube.com/audiolibrary/music
• Materials used:
Pastell paper: light gray.
H graphit pencil (Derwent)
Markers: Letraset PROMARKER
Black and white charcoal pencil.
Derwent pastels
White gel pen.
Soft eraser.
By Sandor Vamos. I'm Hungarian.
Copyright © Re-editing video 2018. Vamos. All rights reserved.