Most first attempts at a skull fail the same way. The outline is fine, the teeth are fine, and the whole thing still reads flat, like a paper mask instead of bone. That happens when the features get placed by eye instead of hung on a frame.
The walkthrough follows Cartooning Club Focus, shot straight down over a sketchbook with a printed reference skull at the top of the page. The skull turns three quarters to the left. Ten minutes, two pencils, one eraser.
A skull is two shapes: a sphere and a box
The cranium is close to a sphere. The jaw is a box hung off the bottom of it. Start with those two and the proportions are settled before a single feature goes in.
Size the circle by measuring the same distance up, down, left and right from a centre point, then joining the four marks. Fussy, for a shape you erase three steps later. It is also how you avoid a cranium too small for its jaw. The same construction runs through how to draw a face: sphere, jaw, then features.
Keep those lines faint. A kneaded eraser will not lift heavy guidelines cleanly.
The eye socket is not an oval
This one detail separates a real skull from a Halloween sticker. The socket is closer to a rounded square tipped on its corner: heavy brow across the top, outer corner dipping toward the side of the head, floor sloping in toward the nose.
Beside it sits the cheekbone arc. It leaves the outer corner of the socket, swings out past the width of the cranium, then curves back down toward the upper teeth. That swing gives a skull its width. Tuck it in tight and the face goes narrow.
Leave a clear gap between the sockets and the nose bridge. It looks too wide while the drawing is still all outline, and right the moment the dark tone goes in. If eye shapes are a weak spot, how to draw eyes covers the socket the living version sits in.
Count the teeth, do not draw a zipper
An adult has 16 teeth on top and 16 underneath, and a three-quarter view shows maybe ten of each. The count is not the point. The variety is what sells it: two flat front teeth, narrower ones beside, a pointed canine at the corner, then molars shrinking round the jaw.
Draw a strip of even rectangles and you get a zipper. Four things fix it:
- Give each tooth a slightly different width.
- Shrink them as they turn away from you toward the far cheek.
- Let the gum line wander instead of ruling it straight.
- Darken the gaps between the teeth, not the teeth themselves.
Three quarters is more forgiving than straight on
A front-on skull is a symmetry test. Every socket, cheekbone and tooth has a twin opposite it, and the eye catches a mismatch instantly. Turn the head and the halves are supposed to differ in size, so a wobble reads as perspective.
The turned view also shows the temple hollow and the depth of the socket, both invisible head on. If you want the straight-on version anyway, fold the sheet down the centre, draw one half, then trace the mirror through the fold.
Shading the temple and cheekbone is where the depth comes from
Up to the teeth, the drawing is a diagram. Shading turns it into bone, and three areas do most of that work.
The eye sockets go near black at the top and fade toward the bottom edge. That gradient is the hollow. Flat grey looks like a circle someone coloured in. The nasal cavity takes the same treatment.
The temple hollow sits above and behind the cheekbone arc, and it is why a skull looks carved instead of inflated. Darken the dip, fade it up across the side of the cranium, leave the forehead and crown light, then lay a soft band under the cheekbone and along the jaw. Use a 4B or 6B for the darkest tones. A 2B pushed hard goes shiny grey.
That same gradient carries over to a shaded ghost, a bat and a jack-o-lantern, a decent October set on one sheet. For the fundamentals under all of it, start at how to draw.