From the guy who made the most comprehensive list of drawing resources on Reddit: A full curriculum for the self-taught Artist. Enjoy a structured approach to learning perspective, anatomy, composition and drawing
Learn to draw course – GVAAT'S WORKSHOP
Shading Fundamentals / Drawing with Dramatic Light and Shadow, Brent Eviston
Shading Fundamentals / Drawing with Dramatic Light and Shadow, Brent Eviston
Color Theory Part 9: The Anatomy Of Shadows Muddy Colors, 44% OFF
Learn to draw course – GVAAT'S WORKSHOP
Shading Fundamentals / Drawing with Dramatic Light and Shadow, Brent Eviston
The Fundamentals of Light & Shadow
Color Theory Part 9: The Anatomy Of Shadows Muddy Colors, 44% OFF
Education Sciences, Free Full-Text
Lighting & Shading the 7 Basic Forms
Lighting and Form Mastery
Shading & Highlighting Forms Practice Worksheet by Art Teachers Unite
Research on Basic shapes and fundamental forms
Color Theory Part 9: The Anatomy Of Shadows Muddy Colors, 44% OFF