The Invisible Thread - Making Comics by Charles Houghton

The Invisible Thread - Making Comics by Charles Houghton

♦♦[ART] Inking: Defining Core Principles and Techniques

It helps to have a common frame of reference for inking. Here's my core set. Did I miss any? Let me know in the comments.

Charles Merritt Houghton's avatar
Charles Merritt Houghton
Nov 22, 2025
∙ Paid

The Pen & Ink Toolkit Every Comic Artist Should Master

(over time. give yourself a break and don’t try to cram them all into one project. too much!)

You've got the story. You've nailed the panel flow. Your characters are solid. But when it comes to actually putting ink to paper, do you find yourself reaching for the same three techniques over and over and over again? Gets repetitive, right?!

If you’re anything like me you get stuck on the artistic treadmill, trapped on "hatching autopilot." Relying on generic crosshatching for everything from your Heroine’s cape to morning sunlight streaming through a window. The result? Pages that technically work, but get muddled and visually monotonous. Maybe they lack visual punch. Time to pull off the gloves and go bare-fisted, baby.

Pen and ink offers a massive toolkit of effects. We just need some added awareness. Ways of making storytelling clearer, atmosphere more convincing, and pages more engaging. The difference between chrome and cloth, between dawn and midday, between foreground drama and background calm—it all comes down to knowing which technique to pull off the armory wall for the next battle.

This isn't about making your art "fancier." It's about switching it up. Keeping your process fresh and throwing your readers a visual bone or two. Because in comics, every mark on the page should be earning its keep, whether it's directing the reader's eye, establishing mood, or simply making sure they can tell what the hell is happening in panel three.

Let's break down the techniques that actually matter—starting with the daily bread moves you'll use on every page, then building up to the specialized effects that can elevate key moments in your story...

Core Techniques of Pen and Ink

1. Line Fundamentals

  • Contour Line – the outline of a form. Can be consistent or varied in weight.

  • Line Weight / Weighted Line – varying thickness of lines to suggest depth, light, or emphasis.

  • Tapering – a stroke that transitions from thick to thin (not the same as feathering).

  • Broken Line – intentionally leaving gaps, often for highlights or atmospheric edges.

  • Implied Line – suggesting an edge by alignment of marks or contrasts, without a continuous stroke.


2. Shading & Tone-Building

  • Hatching – repeated lines to build value.

  • Cross-Hatching – overlapping sets of hatching at different angles.

  • Contour Hatching – lines follow the surface of the form.

  • Cross-Contour Hatching – multiple directions wrapping around form, grid-like. Think lines curves across the hips and stomach; the line will shift when it crosses from the iliac crest and bumps up over the stomach bulge.

  • Tick / Short-Stroke Hatching – tone with small repeated marks, great for texture.

  • Stippling – dots to build tone. Slower, but highly controlled. It can get tedious. You’ve been warned.

  • Feathering – fading out from black into white with fine strokes.

  • Spatter / Stipple Spray – controlled ink splatter (to suggest dirt, stars, noise). Just learn how to cut a quick mask from a photocopy and you’re life will easier… with a quick burst of spray mount (very quick, it’s meant to be temporary).


3. Texture & Surface Effects

  • Dry Brush – using minimal ink on a brush to create broken, textured strokes.

  • Scribbling – loose overlapping marks to suggest texture/chaos (grass, foliage, rough stone).

  • Parallel Textures / Grain Lines – wood grain, hair, fabric, etc., drawn with marks aligned to real-world structure.

  • Cross-Contour Texturing – marks that follow not just form but surface detail (muscle striations, fur, fabric weave).

  • Specular vs. Diffuse – mark strategies that distinguish shiny vs. matte surfaces (hard blacks + sharp whites vs. soft hatching transitions).


4. Shadow & Spot Black Principles

  • Cast Shadows – shadow shapes that describe where an object blocks light. Must obey light direction.

  • Form Shadows – soft transitions within the object as it turns from light to dark. Built with hatching/feathering.

  • Occlusion Shadows – the darkest, thinnest slivers of black where surfaces meet (creases, overlaps).

  • Spot Blacks – large solid black shapes used compositionally to create drama, rhythm, and clarity.

  • Silhouette – rendering forms only in outline or filled shadow to maximize clarity.


5. Rendering Effects

  • Atmospheric Perspective in Ink – using thinner lines, lighter hatching, and less detail as objects recede.

  • Gradation by Density – controlling tone by spacing marks (closer = darker).

  • Crossfade Techniques – blending one type of mark into another (e.g., hatching → stippling).

  • Optical Gray – creating mid-tones through mark density, not wash.

  • White Space / Reserve – leaving paper untouched as “the brightest value.”

  • Highlight Edges – breaking or thinning lines to suggest reflected light.


6. Specialized & Experimental

  • Knife/Blade Techniques – scraping ink away for highlights.

  • Sponging / Textural Stamps – pressing textured materials into ink for unique effects.

  • Zip-a-Tone / Screentone – mechanical tone application (historic but still relevant for comics).

  • Splatter / Spray – flicking ink for noise, chaos, or atmosphere.

  • Tooth / Paper Interaction – exploiting rough vs. smooth paper for different ink textures.


7. Compositional & Conceptual Principles

  • Hierarchy of Marks – deciding which lines carry form, which lines carry tone, and which carry texture.

  • Economy of Line – using fewer, more deliberate strokes for clarity.

  • Negative Space Awareness – balancing black fills with untouched white.

  • Rhythm & Repetition – using patterns of marks to unify areas of a page.

  • Legibility vs. Atmosphere – calibrating clarity for storytelling versus mood.

Put It to Work

The best way to learn these techniques? Pick one per week and commit to using it deliberately in every piece you work on. Don't try to master everything at once—that's how you burn out, and end up with overworked pages that confuse rather than clarify.

Daily fundamentals

  • nail your light direction

  • establish depth hierarchy

  • represent materials convincingly

Once those become second nature, start reaching for the power tools when your story demands them.

Remember, every mark you make is a choice. Make your choices thoughtful ones.

Charles Merritt Houghton

9 October 2025

Below are some teaching notes and graphics for my Paid Subscribers

User's avatar

Continue reading this post for free, courtesy of Charles Merritt Houghton.

Or purchase a paid subscription.
© 2025 Charles Houghton · Publisher Privacy ∙ Publisher Terms
Substack · Privacy ∙ Terms ∙ Collection notice
Start your SubstackGet the app
Substack is the home for great culture