How Shading Turns a Flat Circle Into a Solid Ball

Draw a circle. Now, without changing its outline at all, turn it into a ball.

The only way to do it is with shading. Add a bright highlight on one side, let the tones darken gradually as they curve away from the light, place a shadow underneath, and suddenly that flat circle looks round and solid, as if you could pick it up. It's one of the most satisfying transformations in all of drawing, and it's the subject of Drawing Dimension: Shading Techniques by Catherine V. Holmes.

Shading is one of the easiest and most powerful ways to add depth, contrast, character, and movement to a drawing. As Holmes explains, by controlling pencil pressure and stroke, understanding how light works, and knowing a few blending techniques, an artist can enhance their work and create the "wow" factor that makes drawings look realistic.

It helps to understand how light behaves on an object. Artists often break it into a few key parts. The highlight is the brightest spot, where light hits most directly. The midtones are the gradual transition as the surface turns away from the light. The core shadow is the darkest area on the object itself. Reflected light is a subtle glow within the shadow, bounced back from nearby surfaces. And the cast shadow is the shadow the object throws onto the surface around it. Once you learn to see these parts, you'll notice them everywhere, on a coffee mug, an apple, or a friend's face. That awareness is what allows artists to create convincing three-dimensional forms on a flat piece of paper.

Holmes goes beyond standard step-by-step instruction to offer an in-depth look at a variety of shading techniques and how to use them. Readers learn how to analyze real-life objects and shade them, create highlights, blend tones smoothly, and produce realistic drawings. The book also explores three classic mark-making techniques. Hatching uses closely spaced parallel lines to create tone. Cross-hatching layers lines in different directions to build darker values. And stippling uses countless tiny dots, with more dots creating darker areas. These methods have a long history. The German Renaissance master Albrecht Dürer, for example, was famous for creating astonishingly detailed engravings using intricate hatching and cross-hatching. Learning these techniques connects today's students to centuries of artistic tradition.

Shading isn't only about realism, either. Holmes shows how artists can use contrast to set a mood and create a focal point. Strong contrast between light and dark draws the viewer's eye and can make an image feel dramatic, mysterious, or intense, while softer contrast can feel calm and gentle. Understanding that gives artists real control over how their work makes people feel.

Throughout the book, Holmes provides helpful examples, tips on what to aim for, and pitfalls to avoid, and each lesson is designed to help readers steadily refine their technique. Finally, readers put all of their new skills together to create a finished piece of art.

Catherine V. Holmes is an educator and author from Plymouth, Massachusetts, and the creator of the popular How to Draw Cool Stuff series. Her clear teaching makes even advanced techniques feel approachable.

Drawing Dimension is suitable for beginners and intermediate artists of all ages, students and teachers, and anyone who wants to learn to shade like a pro and make their drawings leap off the page.

Drawing Dimension: Shading Techniques by Catherine V. Holmes is available now in paperback and hardcover.