Forming the Head: Simple to Complex

In this blog, we’ll show how to form the head by starting with simple shapes and gradually adding structure and detail. We’ll begin with base forms like the helmethead and egghead, move through first- and second-level blockouts, and then look at the anatomy and variation that shape the head.

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Forming the Head Simple to

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Simple-to-complex method

The head is full of complex organic forms. But we don’t need to start with complexity. Instead, we start with simple shapes to understand the foundation, then build up.

That’s the simple-to-complex method – it’s quite simple! It’s not a step-by-step process. It’s a way to think about form.

Uldis Zarins explains the Simple-to-Complex method.

This mindset helps you break down what you see and understand how to shape it. Whether you’re sketching or sculpting, you’re always solving visual puzzles. This method helps you do that with fewer guesses.

Foundation: helmethead or egghead

There are two solid ways to start shaping the head: the helmethead and the egghead. Either one works as a good base. Use whichever helps you see the form more clearly.

  • Helmethead: This start captures the overall volume of the cranium and face together. Good for seeing the head as a whole – the front and back are sleek, while the sides (temples and cheeks) have sharp planes;
  • Egghead: This approach breaks the head into two clear parts – the egg-shaped cranium is on the top. The viscerocranium underneath it is shaped following the natural curve of the face. This foundation works well if you like to sharply separate the face area early on.
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Helmethead on the left and egghead on the right.

You don’t need to pick one forever. Try both. Some artists start with an egghead, and some – with the helmethead. These are both good ways to get going. The more detailed blockouts come later, but this first move gives you a great foundation and understanding of the base form of the head.

For this blog, we’ll use the helmethead as the base. To make it, take a ball of your material and slice off the sides. These cuts define the temples and cheeks.

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First step towards a helmethead: cut a sphere’s sides off.

Adding detail

Once you’ve got the big shape, you start adding rough details. To transition to a first-level blockout:

  • Break the front: Tilt the forehead back and add angled surfaces, carve eye sockets;
  • Shape the mid-face: Add a nose wedge, define cheekbones;
  • Add the mouth and chin: Define lips and the mouth area, separate the chin;
  • Form side masses: Rough in ears, suggest jawline;
  • Define the neck: Add neck triangles.

The first-level blockout isn’t about fine detail – it’s about locking in major facial structures and transitions.

First, we set key head landmarks using proportions. Cut off the top sixth of the head (crown to hairline) to isolate the face. Then, divide the rest into thirds: hairline to brow, brow to the bottom of the nose, and nose to chin.

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Helmethead with reference lines on the left and with carved out rough forms added on the right.

Next, split the bottom third into three equal parts: nose to mouth, mouth to upper chin, and the chin itself. The blue line marks the head’s midpoint, which lines up with the eyes. These guides use proportions to help you place features as you move from helmethead to first-level blockout.

After that, start carving rough forms, defining the temporal line, forehead, brow, nose, mouth plane, cheekbones, and ears. Then, add forms like the eyeball masses, mouth, and chin. From here, it’s a small step to define these shapes fully and reach the first-level blockout.

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Filling in the eyes and mouth area on the left and 1st-level blockout on the right.

Moving to the second-level blockout is straightforward. You refine the forms shaped in the first-level blockout, adding more detail The second-level blockout adds more fine detail – it’s somewhere between the first-level blockout and the realistic complex organic forms.

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A 2nd-level blockout with reference lines and the elements of the head matching them.

To get here from the first-level blockout, you need to add detail to the elements of the head and their surrounding areas:

  • Refine the eye zone: Add eyelids, shape the brow, build the undereye area;
  • Sharpen facial features: Such as the nose wings, philtrum, lips, and mouth corners;
  • Define surrounding forms: Shape the cheek pads, nasolabial fold, and chin volume;
  • Detail the ears: Lay in helix and lobe structure;
  • Smooth transitions: Blend planar breaks into more organic curves – temples, neck, jawline.
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1st-level blockout on the left and 2nd-level blockout on the right (color-coded eye area).

These shapes aren’t random. They’re tied to what’s underneath – bone, muscle, and fat. So let’s take a look at the anatomy underneath so that the structure of the egghead, helmethead, and both levels of blockouts makes more sense.

Head anatomy: bone, muscle, and fat

Now, let’s tie all the abstract shapes to some real human anatomy. This will help us understand where the forms originate from. Through this understanding, we’ll be able to improvise more easily in our artworks.

The skull is a static structure, which helps us define some bony landmarks – helpful unchanging anchor points. However, the muscles and fat bring variety – their volume differs from person to person, and they’re both dynamic, each in their own sense. 

  • Bone gives the hard structure: forehead, brow ridge, nose bridge, cheekbone (zygomatic), jaw (mandible);
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The temporal line is the attachment point for the muscles of mastication.

  • The temporal line on the side of the skull is also a kind of bony landmark – it marks where the temporalis muscle attaches. You can visualise it as a curved line starting at the brow and and ending above the ear;
  • Muscles add volume to some parts of the face. More specifically, the masseter muscle sits on the side of the jaw. It adds bulk and defines the rear cheek area. The temporalis muscle also has volume, and it fills up the temporal fossa of the skull;
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The masseter muscle adds roundness to the back of the cheek.

  • Facial expression muscles don’t affect the surface form like the chewing muscles. Facial expression muscles are much thinner and barely add volume to the face. They’re only responsible for our facial expressions;
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Unlike the masticatory muscles, facial expression muscles don’t add any volume to the face.

  • Fat fills out the rest, most notably the cheeks, neck, and chin. It’s quite a dynamic structure responding both to increased soft tissue volume and aging. However, it’s a lengthy topic, which deserves a separate article.
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Facial fat deposits greatly affect the form of the face.

This overview only scratches the surface of the complex anatomy of the human head. However, it gives us a good idea of the main factors affecting the overall shape of various elements of the head.

Understanding variation

No two heads are shaped exactly the same. However, some differences follow clear patterns. There are sex, age, and ethnicity-based variations that can be used to make your characters more diverse. 

This section reviews some very distinct and contrasting phenotypes to help you understand the range of human variation. They’re not rules or ideals, and we don’t suggest that this is the only way a man, woman, or person of a certain background should look. However, learning these defining forms gives you the tools to shape any character you want.

Sex-based dimorphism

  • Overall form: female skulls are relatively smaller than male skulls;
  • Forehead: males have stronger brow ridges and flatter, back-slanted foreheads, but females tend to have smoother brows and more vertical, higher foreheads;
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Comparison of a male and female skull.

  • Temples: males have more pronounced temporal lines;
  • Eye orbits: females have rounder orbits with sharper supraorbital edges;
  • Jaws: the male chin is broad and square, the mandible body is wide and with a steep angle, but the females have rounded and pointed chins, narrower jaws, and a more open gonial angle – this gives a more rounded appearance.
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The gonial angle of a female and male jaw.

Remember! These are averages – not rules! But they help immensely when you want to shape more male or female-looking facial features.

Age-based changes

  • Babies have big round craniums and small faces;
  • Children grow longer faces as the viscerocranium develops;
  • Adults have more balanced skulls – about 60/40 between the braincase and face.
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Development stages and proportions of the human skull.

  • Jaws change a lot during development – newborns start with a very wide gonial angle, which becomes narrower as it develops. Elderly people, especially those without teeth, often show jaw shrinkage and chin protrusion. As we age, the gonial angle becomes wider again.
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Skulls of a newborn and elderly person, alongside adult male and female skulls for reference.

These changes are tied to bone growth, tooth wear, and bone density loss. It’s not essential to memorize what a gonial angle is – observe and understand the shape shifts.

Ethnic diversity

There are many different distinct head shapes due to genetic and environmental factors. These are the things to keep in mind regarding this:

  • Some heads are long and narrow (dolichocephalic), others broad and round (brachycephalic), and then there are those in the middle (mesocephalic);
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Different head shapes – illustration and live model view.

  • Some faces are more forward in the mid-face – specifically the cheekbones and eye sockets. This creates facial flatness – more common in East Asian phenotypes. Caucasian phenotypes typically have less protrusion in this area, and there’s less facial flatness;
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If the zygoma sits more anteriorly, it makes the face flatter.

  • These variations affect the silhouette, profile, and how the shadows fall on the face.

We’re genetically wired to be really good at recognizing faces, so knowing these variations helps you build faces that feel real, believable, and recognizable – the kinds we respond to.

Practical application for your art

Don’t just copy the images you see here. Understand what they show. The simple-to-complex method is primarily a tool to help you break down and understand complex organic forms. It’s also beneficial to learn the underlying anatomical structures supporting these forms.

If you really feel like it, you can follow the blog and organize your workflow as it’s written, going like this:

foundation → 1st-level blockout → 2nd-level blockout → organic forms

However, this is not meant to be a workflow. It’s a way of seeing and recognizing the organic forms. You always start with the foundation and marking the rough landmarks, but from there, you can largely proceed as you please!

Remember! The goal isn’t to follow steps. The goal is to understand the form.

You can learn about this topic in more detail exploring our book Form of the Head and Neck – just grab it from our webstore!

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