Single-Line Drawing: A Practical Case Study

From a continuous line to the freedom of artistic choice

This practical case study continues the exploration begun in “Mastering the Art of Single-Stroke Drawing.” Through three examples, it examines how an artist can observe a subject, identify its essential features, and simplify them into a continuous line—or into a small number of lines when that better serves the image.

The process relies on observation, intuition, creativity, and flexibility. There is no universal formula for single-line drawing. A subject that one artist can express with one continuous stroke may require two or three lines for another. The number of lines is not a measure of success in itself; it is one of the creative decisions the artist makes while developing the drawing.

1.Purpose of the exercises

The following examples explore different levels of simplification. The first shows a subject that can be translated relatively easily into a single continuous line. The second demonstrates how an initial sketch made with several lines can be simplified into one. The third considers a face drawing in which two lines are retained to preserve the clarity and recognisability of the image. These are possible approaches rather than rigid methods.

For the preliminary stages, pencil and paper are sufficient. The focus is on finding a line path and deciding which features are necessary to communicate the subject.

2.Exercise 1: A knight on horseback

The first exercise represents a knight riding a horse and holding a lance. Figure 1 shows one possible continuous line, beginning at the arrow on the left and ending at the arrow on the right.

Begin by making a simple pencil sketch of the idea. This preliminary drawing helps establish the overall form before you decide how the line might travel through it. Then trace the main contours intuitively, looking for ways to connect different parts of the subject without lifting the drawing tool. Loops can help the line move between forms while remaining continuous.

The solution shown in Figure 1 is only one of many possibilities. Different loops can create alternative routes, and the lance, the knight’s face, or the position of the horse’s legs can all be modified. The artist can explore these variations while deciding which version communicates the original idea most clearly. In this case, a continuous line can be achieved relatively easily.

Figure 1. One possible continuous-line drawing of a knight on horseback. The arrows mark the beginning and end of the line.

3.Exercise 2: A woman in a contemplative pose

The second exercise represents a seated woman resting one hand beneath her chin in a contemplative or meditative pose. The first stage is to use several simple lines to define the main features and establish the overall figure. This initial drawing is shown in Figure 2.

Figure 2. Initial line sketch of a seated woman with one hand resting beneath her chin.

At this stage, the drawing consists of several separate lines, so the goal of creating a single-line image has not yet been achieved. Further simplification and synthesis are needed. Look at the initial sketch and consider which contours are essential, then explore how one continuous path might connect them. Some details may need to be simplified or left out so that the main pose remains clear.

Figure 3 shows the resulting single-line drawing. Comparing it with Figure 2 reveals how a more complex initial sketch can be reduced to a simpler route. The process involves not only connecting lines, but also deciding what information the drawing needs to retain.

Figure 3. The resulting single-line drawing of the seated woman.

4.Exercise 3: Simplifying a face with two lines

The third exercise explores the challenges that may arise when a face is represented with a small number of simple lines. Features such as the mouth and eyes occupy distinct areas, and connecting them into a single continuous route may require a greater degree of simplification or a more inventive approach.

This does not mean that a face cannot be drawn with one line. The result depends on the artist’s creativity and ability to synthesise the image. For this example, the drawing has deliberately not been simplified to a single line, because retaining more definition helps preserve the recognisability of the face. A more radical simplification could produce a different result and reduce the resemblance to the original idea.

As shown in Figure 4, the drawing uses two lines. The dark red line defines the mouth, the right eye, and the contour of the face. The blue line defines the contour of the hair and the left eye. These choices describe this particular solution; they are not a fixed formula for drawing faces.

Figure 4. A simplified face drawing developed with two lines: one dark red and one blue.

The same idea could be approached with a different number or arrangement of lines. It might be possible to simplify the drawing further and use one continuous line, or to retain more lines to preserve additional details. The decision belongs to the artist, who determines when the creative process has reached a satisfactory result.

5.Observing, simplifying, and making choices

Together, the three exercises demonstrate that single-line drawing is a flexible creative process. The knight on horseback offers a relatively direct path. The seated woman requires a first sketch followed by simplification. The face shows that two lines may be a deliberate choice when clarity and recognisability are important.

When developing your own drawing, consider the following questions:

Which features are essential for the subject to remain recognisable?

How might the line move from one part of the image to another without interruption?

Could loops or connecting movements help link separate forms?

Which details could be simplified or omitted without losing the main idea?

Would one line communicate the subject clearly, or would two or more lines work better?

These questions are invitations to experiment, not rules that must be followed in a fixed order. You may need to revise the initial sketch, try different line paths, or reconsider how much detail to retain. Each attempt can reveal another way of seeing and representing the same subject.

6.Conclusion

Single-line drawing is an exercise in observation, intuition, and creative synthesis. It encourages the artist to identify the essential features of a subject and explore how much can be communicated through a continuous path. As these examples show, the process may lead to one line or to several, depending on the intended result.

There is no single correct solution and no universal formula for deciding when a drawing is complete. The artist’s freedom lies in exploring alternatives and choosing the degree of simplification that best expresses the original idea.

7.Image Credits and Copyright

All images presented in this article are original creations by the author, Artium Design (BEstevez), and are protected by copyright.

They are shared for educational and personal practice purposes. Readers are welcome to use them as visual references and sources of inspiration for their own drawing exercises. However, reproducing, redistributing, republishing, modifying, or using these images for commercial purposes requires the author’s prior permission.

When referring to this article or sharing its link, please credit Artium Design and provide a link to the original publication.