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SHADING TIPs - this will make your DRAWINGs perfectly SMOOTH.
Be BETTER on SHADING with Pencil! A Realistic Drawing Tutorial for Beginners
Understanding PENCIL GRADES - What you NEED to know
Pencil Drawing Techniques
TOP 10 Tips for Colored Pencil Sketches!
How to Transform PHOTOS into Pencil DRAWINGS in Photoshop - Image to Pencil Sketch in Photoshop
Drawing Basics: Understanding Pencil Grades
How to use Charcoal Pencil | For Beginners | Step by Step