How to draw optical curved line illusions using only straight lines and a ruler 📏? Today in this drawing tutorial video for kids and beginners you can learn how to draw an easy curved lines optical illusion spiral 🐚 sketch pattern. If you want improve your art this is good exercise. Drawing curves and see the final effect, amazing, incredible, fantastic. Only black color 🎨. Geometric shape design for your relax. Enjoy with my art. Subscribe to art therapy and drawings tricks and share videos.
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