Master Oil Painting Portraits: Essential Blocking Techniques
Nov 15, 2025
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This is an excerpt from Fundamentals of Portrait Painting course:
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I hope you already have the reference printed or prepared on your screens.
Today we are going to practice something a bit more difficult because as you can see on the
reference, so let's have a look, there are not so many shadows in the face. What we perceive as
darks are mostly the local color. So the beard and the hair, they are just local color.
So the values, they don't represent the shadows only in the neck, but we will not
touch the neck probably today. So we will be blocking things mostly using the,
yeah like we will work in the face and in the head. So when you have to paint,
when your subject is lit with such light like today, when there are not so many shadows,
you have to be more precise with the drawing. So we will use a line and we will use change of
values in the lines. So before it was easier somehow because we had strong shadows and
halftones, so we've been shifting from shadows to halftones like building the form. Now we have
to build the form, to create three-dimensional illusion of the form using halftones in the
lines. I hope it is clear. So let's begin. And by the way, before we start, let's just talk about
the reference here. So you see like the plane to the left, the planes on the left of the head,
they are darker. Planes on the center, they are slightly lighter. And the planes which are facing
us in this case, because we are just situated just below the light source, so the planes which
are facing the light, they are lightest. And also there is certain symmetry, the center line and the
parallel lines of the construction of the head. We can clearly see how these planes of the head
structure can be dissected into hulls which are going to be totally symmetrical.
Here we can see the skull with the same tilt, under the same light. And we can also notice
that some crucial corners of the head, of the planes of the head, they correspond
with the bone structure in the skull. Let me show you an example. By the way, I highly recommend
to have a skull replica. It can be big, it can be small, it doesn't really matter.
So these corners here, these two bony corners, they are extremely important. You can see them
on the reference. It is where the cheekbone structure is turning over. So you can look for
these corners on your models. And also these two corners and here, two corners slightly higher,
they are also, if you draw the line between them, they will be parallel to each other.
And they will be perpendicular to the center line. So you see, for me, not even the corners,
normally I think about this turning of the bone here. And clear definition of the corners,
we can say it is here. So this is, I think it's most important for the portraiture
to see these corners all the time. I also have this, the planes of the head,
and it is slightly more sophisticated than what I was using for the rendering. But also,
we can see the nose, which is like a wedge shape. You see, this side now is most perpendicular to
the light, so this is slightly darker and this is in the shadow. And here, again, this corner
corresponds to that bone structure of the skull. So we will look for such
landmarks of the face and we will use them in our construction.
So, raw umber with ivory black mixture with a bit of gulkid light. So I will just
use a bit of gulkid light mixed with mineral spirits. If you don't have gulkid, just use
mineral spirits. This is totally fine. The guy's head, as usual, top of the head quickly here,
the bottom of the beard is quickly there. So again, if we draw the center line, it is going
to be something like that, somewhere here. If we draw the line between the eye sockets,
between the corners of the eye sockets, it will be somewhere here, most likely.
So first, we need to quickly outline the silhouette of the head. And we are trying to
be as accurate as possible, but we should keep in mind that we are going to lose
the drawing anyways. So, only crucial part, only important part. So you see, I immediately,
I'm immediately starting to look for this structure and I'm not using
curves. I'm using straight lines and I'm using corners because corners are going to...
You see, again, on the right, or maybe we just go here, in the zygomatic arch, in the eye socket,
the corners are showing the changes of the planes. So let's say this corner here
will have corresponding bone structure there. This corner and let's say this corner here,
they will have also symmetrical counterparts on opposite side.
We've been talking about it last week, but today we go deeper into it. And we will also
talk about the edges today. So you see, we are increasing the difficulty level
with each lesson. Yeah, by the way, if you are painting also like bigger size, like I do today,
I'm working on 12 by 16 inches. If you work the same way,
we will continue this painting next week. So I will explain what we have to do in order to prepare
for the second application. Because before we start painting from live and before we will
start doing a la Primus from live, we want to test and to try different ways of paint application
and building up the painting. So again, like quickly with darts, I'm just thinking about the big
shape of the beard. And the mustache here is just helping me to find the boundaries of this shape.
We can use the dark value of the muzzle of the mouth and of the beard just as a foundation
for our skin tones, for our halftones in the light. So the idea is we are going to paint this,
you see, what is inside here. And we are using the darks of the local color, we're using them
as just a separation and just solid foundation for illusion. Because it's very difficult to
paint light over light or light over mid-tone. But if we have something dark just next to it,
it will be easier for us to paint the halftones. You see a lot of the similarities to charcoal
and graphite sketching with this. Yeah, exactly. So we're working in the same way. And today I
will show you how to work using, you know, just masses of color and value. And we will start with
very blurry, let's say, application first. Some sort of, you know, just like the head is going to
emerge out of the void here. So again, I'm thinking about this, about this line here.
And I'm thinking about, already I'm thinking about, let's say, the planes of the forehead
exactly the same way as we've seen on the slide how planes of the head are different
in value. So I'm quickly blocking in this. So for the beard and the chin and everything, you know,
in the lower parts of the head, bearded men are easier to paint. Because we can just
think about the beard as the box. So let's say we can just paint it.
Yeah, let's just use this idea of the box here.
Yeah, like that. And now with the hair and the beard, I'm just refining the shape of the lines
quickly. And this is really helpful because we can, again, the same way as before,
we can just use darks to create the boundaries for our lights.
And we'll start working inside of the light family of lighters.
This reminds me of how forensic artists will start with a skull and they're mapping the
pinpoints for the highest and lowest features of the face when they're doing reconstructions.
Yes, it makes a lot of sense. And the same when you do sculpture, you also need
to find the most extreme parts somehow first. So I'm squinting my eyes and I'm just,
yeah, I'm just scrambling the darks into the canvas.
If I want to get rid of these construction lines, I can just quickly add a bit of mineral spirits.
And we can, so you see, we can use
solvent just to erase things a bit.
So this, let's say it is initial drawing, quick blocking of the head.
So what is next? Next, we need to find actually this, the placement and the design of the nose,
which is going outside. So it is more like a wedge. I've been talking about it a lot during
critiques with the feedback students that it is very important to simplify the nose
in at least our understanding, our vision of it, because it will help us to see where we should
place the planes of it. And you see with a paper towel, I can just adjust the shape.
Okay, so we have this. Looks very basic. So what do I do next?
I'm just smudging it a bit because I don't want the edges to be too sharp.
And you see, I just want to, it is some sort of underpainting now, the base of the head here.
Since there are no shadows in the face, I don't really need to look for
core shadow or for shadow lines. So for me, it's mostly like just initial stain, initial.
And even at this stage, if you're self-checking your construction,
do you find it helpful to just hold a brush out to check your lines?
Yeah, exactly. But not even at this stage. Now it's more like I am preparing the base.
So again, as I said before, we don't have to be extremely correct at this stage. Just
something, just a bit closer to what we see. Just to have something to start working on.
So now with a paper towel, you see, I'm just smudging the lumber.
And I'm trying to, yeah, even here, I'm trying to just to sculpt the changes of the planes,
like three-dimensional structure, even before I start painting. Like here in the temple area
can be darker. And here in this area, it's quite an unorthodox way of
starting the painting. Because normally, we want to create precise drawing first. But you see what
I'm doing here? I'm just creating some sort of the ghost image of the head here. Because we don't
want to work all the time with the same approach. Such application, when you just
make the head appear out of nothing, can also be, yeah, can also look like quite artistic.

