Grade by Grade
B. Drama / D. Visual Arts · Drama and Visual Arts

Visual Arts: Creating Depth with Two-Point Perspective, Coloured Shadows and Shading

D1.3 D1.4 D2.2About 50 minutes
Learning goals
  • I can draw a box or building in two-point perspective using a horizon line and two vanishing points.
  • I can use blue or complementary colours in shadows and shading to create depth.
  • I can shade using modulation, stippling and blending.
  • I can choose techniques to solve a design challenge and explain how they create the illusion of depth.

Words to know

two-point perspective
A drawing system with two vanishing points on the horizon line, used to draw objects seen from a corner.
one-point perspective
A drawing system with one vanishing point, used when you look straight at the front of something (learned in Grade 6).
vanishing point
A point on the horizon line where parallel lines going back into the distance seem to meet.
horizon line
A horizontal line that shows the viewer's eye level.
modulation
Shading with gradual changes from light to dark values, to model a form.
stippling
Shading made of many small dots: more dots close together look darker.
blending
Smoothing pencil or charcoal marks into an even tone, with a finger, tissue or a paper blending stump.
atmospheric perspective
Making faraway things paler, bluer and less detailed to show distance, the way air and haze make distant hills look.

Remember from Grade 6

You drew scenes in one-point perspective with a horizon line, a vanishing point and orthogonal lines, and you changed the eye level for bird's-eye and worm's-eye views. You shaded cylinders, cones and pyramids with gradation to show volume, and you noticed that shadows on snow often look blue.

In Grade 7 you will add two-point perspective, use blue and complementary colours in shadows to create depth, and learn new shading techniques.

Turn the corner

In one-point perspective, you look straight at the front of a building. But stand at the corner of your house or school and look again. You can see two sides at once, and each side seems to shrink away in a different direction.

To draw that, you need two vanishing points. That is two-point perspective.

The corner of a red brick school building, with both walls and rows of windows receding to the left and right.
Seen from the corner, each wall recedes toward its own vanishing point, one on the left and one on the right. That is two-point perspective. AI-generated image
VP 1VP 2horizon line (eye level)
A box drawn in two-point perspective, seen from a little above. A horizon line runs across the top with vanishing point 1 at the far left and vanishing point 2 at the far right. The front corner of the box is a vertical line. Dashed lines run from the top and bottom of each vertical edge to the two vanishing points. The left face, right face and top face are shaded differently.

How to draw a box in two-point perspective

  1. Draw a horizon line across the page (your eye level).
  2. Put a vanishing point near each end of the horizon line (VP 1 and VP 2). Keep them far apart.
  3. Draw a vertical line for the front corner of the box.
  4. From the top and bottom of that line, draw light lines to both vanishing points.
  5. Draw two more vertical lines, one on each side, to decide how wide each side is.
  6. If the box is below the horizon line, you can see its top: from the top of each side line, draw a line to the opposite vanishing point. Where they cross is the back corner.
  7. Erase the extra guide lines and darken the box's edges.

Remember: in two-point perspective, vertical lines stay vertical. Everything that goes back in space goes to one of the two vanishing points.

  • If the box is below the horizon, you see its top (bird's-eye feeling).
  • If it is above the horizon, you see its bottom (worm's-eye feeling).
  • A tall building usually crosses the horizon line, so you see neither its top nor its bottom.

Colour in shadows creates depth

Shadows are not just grey or black. On a sunny day the shadows outdoors are lit by the blue sky, so they often look blue or blue-violet, especially on snow. Many painters, including the Impressionists, painted shadows with blue, violet or the complementary colour of the object, instead of black.

  • An orange pumpkin can have blue or blue-violet in its shadow (blue is orange's complement).
  • A yellow canoe can have violet in its shadow side.
  • A red barn can have dark green mixed into its shadows.

Cool colours like blue seem to move back in space, while warm colours seem to come forward, so cool, coloured shadows help forms look rounder and scenes look deeper.

The same idea works for distance: faraway hills look paler, bluer and less detailed because we see them through more air. This is called atmospheric perspective.

grey shadowsblue-violet shadows
Two orange balls on a light background. On the left, the ball's shadow side and the shadow on the ground are plain grey. On the right, the same ball's shadow side and ground shadow are blue-violet, close to blue, the complement of orange, which makes the ball look rounder and the scene more lively.

Shading techniques

  • Modulation: gradual changes in value from light to dark, following the form. On a rounded form, the change is smooth; on a box, each face gets its own value.
  • Stippling: tiny dots. More dots, closer together, make darker areas. It's slow, but it gives a soft, textured look. The painter Georges Seurat built whole paintings from small dots of colour, such as A Sunday on La Grande Jatte — 1884 (painted 1884–1886).
  • Blending: smoothing marks with a tissue, your finger or a paper blending stump to make soft, even tones. Great for skin, clouds and smooth surfaces.
modulationstipplingblending
Three squares that each go from light on the left to dark on the right. Modulation: six strips, each a step darker. Stippling: dots that get more crowded toward the right. Blending: a smooth, even change from light to dark.
Worked example

Example: A corner store in two-point perspective, in winter

Design challenge: draw the corner store on your street so it looks three-dimensional and deep, on a sunny winter afternoon.

  1. Horizon line about one-third from the top (eye level of a person standing on the sidewalk). VP 1 at the far left, VP 2 at the far right.
  2. Front corner: a tall vertical line crossing the horizon line. Guide lines from its top and bottom go to both VPs.
  3. Windows and door: their tops and bottoms also follow the guide lines to the correct vanishing point; their sides stay vertical.
  4. Light: the sun is on the right, so the right wall is light and the left wall is in shadow. Shade the left wall with modulation, slightly darker near the corner.
  5. Coloured shadows: paint the store's shadow on the snow blue-violet, not grey. Add a little blue into the shadowy left wall.
  6. Depth: draw the hills behind the town paler and bluer (atmospheric perspective).
  7. Texture with stippling: stipple the brick wall's shadow area so it looks rough.

Two-point perspective gives the store its form, and coloured shadows, shading and atmospheric perspective make the whole scene look deep.

Just for fun

Two-point perspective is the only drawing method where things are supposed to disappear. Just make sure it's the guide lines that vanish, and not your eraser.

Worked example

Example: Explaining depth in a painting

Imagine a painting of a red canoe pulled up on a rocky shore, with blue-grey hills far across the lake. Let's explain how the artist created depth.

  1. Overlapping: the canoe overlaps the rocks, which overlap the water.
  2. Size: the trees across the lake are much smaller than the canoe.
  3. Atmospheric perspective: the far hills are pale, blue and blurry; the near rocks are sharp and detailed.
  4. Coloured shadows: the shadow side of the red canoe has dark green in it (red's complement), so it looks round.
  5. Explain: "The artist used size, overlapping, cool pale colours in the distance and complementary colours in the shadows to make the scene feel deep."

Naming several techniques, and how each one works, explains how the illusion of depth is created.

Hands-on activity

Corner-of-the-street studio

You need: paper, a pencil (a soft 2B to 6B is best), an eraser, a ruler, a black fine-tip marker, a tissue or cotton swab, and coloured pencils or paint (with blue, violet and orange if possible).

  1. Practise two-point boxes: draw a horizon line with a VP near each edge. Draw three boxes: one below, one on and one above the horizon line. What changes?
  2. Draw a building from a corner: look at a house, shed or your school from the corner (from a window or with a grown-up outside). Draw it in two-point perspective. Add windows and a door that follow the guide lines.
  3. Shading swatches: make three squares and shade them from light to dark with modulation, stippling (marker dots) and blending (tissue or finger).
  4. Coloured shadow study: place an orange or a ball on white paper by a window or under a lamp. Draw it twice: once with grey shadows and once with blue or violet shadows. Which looks more alive?
  5. Finish your building: add shading and coloured shadows, and a pale, bluish background.
  6. Explain your design choices in three sentences.

Your turn

1

How many vanishing points does two-point perspective have?

2

In two-point perspective, which lines stay vertical?

3

A box is drawn below the horizon line. Which extra side can you see?

4

What colour are shadows on snow often, on a sunny day? Why?

5

What is stippling?

6

What complementary colour could you add to the shadow of an orange pumpkin?

7

What is atmospheric perspective?

More practice: warm-up

1

What does the horizon line show?

2

How many vanishing points does one-point perspective have?

3

Name a tool you can use for blending.

4

Which artist built paintings from small dots of colour?

5

Do warm colours or cool colours seem to move back in space?

More practice: on your own

1

When would you choose two-point perspective instead of one-point?

2

You draw a box in two-point perspective, but it looks stretched and distorted. What should you try?

3

Explain why a shadow painted blue-violet can look more natural than a black shadow on a sunny snowy day.

4

Which shading technique would you choose for a smooth, shiny apple, and which for a rough tree bark? Explain.

5

A painting has bright, detailed mountains in the background and pale, blurry flowers in the foreground. Why might it look strange?

Challenge

1

Describe the steps to draw a tall building that crosses the horizon line in two-point perspective. What can't you see?

2

Plan a design challenge solution: make a small, flat snow fort drawing look deep and three-dimensional. Use at least four techniques.

3

Why do painters often use an object's complementary colour in its shadow, instead of just a darker version of the same colour?

Check your understanding

Quiz

1.

Two-point perspective uses ___.

2.

In two-point perspective, the corner of a building is drawn as a ___ line.

3.

On a sunny winter day, shadows on snow often look ___.

4.

Shading with many tiny dots is called ___.

5.

Faraway hills painted pale, blue and blurry show ___.

6.

Which colour could make the shadow of a yellow canoe look lively and natural?

For parents and teachers

Big idea: For Grade 7, the curriculum's focus for space includes one- and two-point perspective and the use of blue or complementary colours in shadows and shading to create depth, and for value, shading techniques such as modulation and stippling. Students use a variety of materials, tools and techniques to solve increasingly complex design challenges (D1.4), use elements to communicate (D1.3) and explain how they create meaning (D2.2).

How to help:

  • Stand at the corner of a building together and trace the edges in the air: "Where would these lines meet?"
  • On a sunny snowy day, compare shadows with a piece of grey paper. Are they really grey?
  • Look up Seurat's A Sunday on La Grande Jatte — 1884 on the Art Institute of Chicago's website and zoom in on the dots.

Common difficulties:

  • Slanted verticals. Remind: in two-point perspective, corners and sides of doors stay straight up and down. Use the edge of a ruler or the paper.
  • Vanishing points too close. Spread them out, even taping extra paper to the sides.
  • Muddy shadows. Add a little blue or the complement, not black.
  • Stippling patience. Stippling is slow; a small area is enough.

Safety: if sketching outdoors, stay on sidewalks with a grown-up.