{"id":2008,"date":"2026-08-11T15:49:34","date_gmt":"2026-08-11T15:49:34","guid":{"rendered":"https:\/\/pressbooks.palomar.edu\/art102\/chapter\/line\/"},"modified":"2026-08-20T03:54:25","modified_gmt":"2026-08-20T03:54:25","slug":"line","status":"publish","type":"chapter","link":"https:\/\/pressbooks.palomar.edu\/art102\/chapter\/line\/","title":{"raw":"Line","rendered":"Line"},"content":{"raw":"

Introduction<\/h2>\r\n[caption id=\"attachment_1975\" align=\"alignnone\" width=\"891\"]\"Abstract Paul Klee Drawing Example,<\/strong> Source: Hope and Destruction<\/u><\/a><\/strong> by Paul Klee in 1916 on Wikimedia Commons<\/u><\/a>, License: CC BY-NC-SA 3.0<\/u><\/a><\/strong>[\/caption]\r\n\r\n\u201cA line is a dot that went for a walk\u201d - Paul Klee[footnote]This is a popular rephrasing of Paul Klee\u2019s musings on the qualities of line in his Pedagogical Sketchbook. Paul Klee, Pedagogical Sketchbook<\/em>, trans. Sibyl Moholy-Nagy (London: Faber and Faber, 1953).[\/footnote]\r\n\r\nLine is an element of art and a cornerstone of drawing. As Paul Klee famously stated, a line<\/strong> is a point set in motion. It is also described as a moving or continuous dot or mark.\r\n\r\nA line is typically created with art materials, such as pencils and pens. In this chapter, we will focus on the techniques and materials used in foundational drawing practices. However, if we follow Klee\u2019s concept, a line is not only created with traditional art materials but can also be formed with unconventional tools such as ink, Conte crayons, and even light. Consider the example of Pablo Picasso creating lines of light with a flashlight, which was captured with a camera that used a slow shutter speed.\r\n\r\n[caption id=\"attachment_1976\" align=\"alignnone\" width=\"893\"]\"A Pablo Picasso Flashlight Drawing Example, Source: Dancing, forecast<\/u><\/a><\/strong> by Pablo Picasso (1956), framing by Francis Bacon (1933)<\/u><\/strong> on Flickr<\/u><\/strong><\/a>, License: CC BY-NC-SA 3.0<\/u><\/a><\/strong>[\/caption]\r\n\r\n
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Master Artist: Raphael and Contour Line<\/h2>\r\n<\/header>\r\n
\r\n\r\nDuring the Italian Renaissance, a popular school of thought emerged championing a style of art-making known as disegno, an Italian term meaning \u201cdrawing\u201d or \u201cdesign\u201d. Artists following this philosophy believed that the most valuable part of the creative process was the careful layout and crisp drawing of a scene before secondary aspects, such as color, were added. The artworks produced within this style had very intentional composition and a crisp formal style. For example, see the image below by Raphael. Although it is a painting, it illustrates the crisp style of disegno and therefore has visible contour lines throughout. A clear sense of structure is created by the separation between Mary and the background, and even between Mary\u2019s skin and her gown. There is such a clear divide that it seems we could easily break Mary apart from her surroundings.\r\n\r\n[caption id=\"attachment_1977\" align=\"alignnone\" width=\"791\"]\"A Madonna of the Meadow, Raphael, 1505,<\/strong> oil on board, License: Public Domain CC0 1.0<\/u><\/a><\/strong>[\/caption]\r\n\r\nThe competing philosophical school of colorito (more popular among Venetian Renaissance artists) would avoid contour lines altogether. They would rather have objects bleeding into each other at their borders, a technique visible in Giorgione\u2019s works, such as the detail used below in comparison to Raphael\u2019s work. Colorito avoids sharp contour lines in favor of a more hazy, sensual look that blends a subject into its surroundings.\r\n\r\n[caption id=\"attachment_1978\" align=\"alignnone\" width=\"924\"]\"Two Left: detail from Madonna of the Meadow, Raphael, 1505, oil on board, License: Public Domain CC0 1.0<\/u><\/a><\/strong> right: detail from Sleeping Venus,<\/strong> Giorgione, 1550, oil on canvas, License: Public Domain CC0 1.0<\/u><\/a>. Comparison\/combination of details created by author.<\/strong>[\/caption]\r\n\r\n\u201cMaster Artist: Raphael and Contour Line.\u201d Written by Elaine Wilson. License: CC BY<\/a><\/strong>\r\n\r\n<\/div>\r\n<\/div>\r\n

Contour Line<\/h3>\r\nContour lines define the outline of a form, as well as the interior structure, without the use of shading. These lines are highly descriptive and record the edges, ridges, and boundaries between a form\u2019s shape, planes, volumes, masses, textures, and surface indentations, undulations, and modulations.\r\n\r\nIn essence, contour lines are the basis of drawing. A simple contour line can create a form with minimal embellishment while allowing for a range of line quality.\r\n\r\n[caption id=\"attachment_1979\" align=\"alignnone\" width=\"748\"]\"Line Contour Line Still Life Drawing Example,<\/strong> Source:<\/strong> Objects in Elevation on Flickr<\/u><\/a>, License:<\/strong> CC BY-NC-SA 3.0<\/u><\/a>[\/caption]\r\n\r\nContour lines define the edges of a shape or form. An artwork consisting solely of contour lines allows for frequent views of the reference and drawing paper. There is not a set percentage of time spent with the subject or drawing media, but a more natural flow of looking back and forth between the two. Contour lines are typically used in direct observation drawings, but can also be used to create drawings from imagination, photos, and other sources.\r\n\r\nMany drawing techniques focus on contour lines. For example, blind contour line, modified contour line, and cross-contour line.\r\n\r\n[caption id=\"attachment_1980\" align=\"alignnone\" width=\"817\"]\"A Contour Line Coke Glass and Flowers Drawing Example, Source: Flowers in a Coke Glass on Deviant Art,<\/u><\/a> License: CC BY-NC-SA 3.0<\/u><\/a><\/strong>[\/caption]\r\n

Blind Contour Line<\/h3>\r\n[caption id=\"attachment_1981\" align=\"alignnone\" width=\"783\"]\"A Blind Contour Line Drawing Example, Source: Blind contour drawings of feet by M. Gunn on Wikimedia Commons<\/u><\/a>, License: CC BY-NC-SA 3.0<\/u><\/a><\/strong>[\/caption]\r\n\r\nBlind contour drawings are created with a continuous line, with no line breaks. When drawing, the artist only looks at the reference, never at the paper or the drawing tool. For instance, if the artist is creating a blind contour line drawing of a person, the artist would solely look at the person and never check the drawing being formed to confirm if the pencil is in the intended place on the paper.\r\n\r\nYou may be wondering why an artist would choose to work this way. What advantages could there be for such an odd and likely inaccurate drawing result?\r\n\r\nThe answer is simple - to emphasize looking at the subject.\r\n\r\n[caption id=\"attachment_1982\" align=\"alignnone\" width=\"500\"]\"A Jolene Davis Cabe\u2019s Blind Contour Line Portrait Drawing, Source: Khenrychoisser<\/u><\/a> via WikiMedia,<\/u><\/a> License: CCO 1.0 Universal<\/u><\/a><\/strong>[\/caption]\r\n\r\nWhile the result typically doesn\u2019t resemble the reference in its entirety, in fact, if it does, it reveals that the artist cheated and looked at their drawing paper. Blind contour line drawings. The technique teaches us the invaluable importance of looking at the subject. Blind contour line drawings. The technique teaches us to see and to draw only what we see. Many people, whether beginners or advanced artists, fall into the habit of not looking at their references enough. By practicing blind contour line drawings, artists can retrain their eyes to see their reference more honestly.\r\n

Modified Contour Line<\/h3>\r\n[caption id=\"attachment_1983\" align=\"alignnone\" width=\"656\"]\"Line Modified Contour Line Drawing Example, Source: Francesc Miralles on Wikimedia Commons<\/u><\/a>, License: CC BY-NC-SA 3.0<\/u><\/a><\/strong>[\/caption]\r\n\r\nModified contour line drawings are similar to blind contour drawings because they place heavy emphasis on looking at the reference. However, instead of never looking at your drawing, you can sneak peeks at it. Approximately 90% of the time, the artist looks at the reference, and the remaining 10%, they look at the drawing. The completed drawing often resembles the reference more accurately than a blind contour line drawing, but may still contain some placement issues because most of the time is spent looking away from the drawing paper.\r\n

Decorative Line<\/h3>\r\n[caption id=\"attachment_1984\" align=\"alignnone\" width=\"674\"]\"Ink Decorative Line Drawing Example, Source: Hokusai\u2019s Japanese Tiger, Album of Sketches (1760-1849) on Raw Pixel<\/u><\/a>, License: CC BY-NC-SA 3.0<\/u><\/a><\/strong>[\/caption]\r\n\r\nDecorative lines are used for the subjective interpretation of form, rather than direct observation. In the above example, the artist depicted the tiger\u2019s fur with decorative, swirling lines to add aesthetic value to the image.\r\n

Descriptive Line<\/h3>\r\n[caption id=\"attachment_1985\" align=\"alignnone\" width=\"600\"]\"A Descriptive Line Drawing Example, Source:<\/strong> Feather Line Art on SVG Free<\/u><\/a>, License:<\/strong> CC BY-NC-SA 3.0<\/u><\/a>[\/caption]\r\n\r\nDescriptive lives are used in the objective description of form. Their pronounced specificity increases the viewer's understanding of what is being described. A more detailed drawing would have more descriptive lines, and a simpler drawing would have fewer.\r\n

Dimensional Line<\/h3>\r\n[caption id=\"attachment_1986\" align=\"alignnone\" width=\"364\"]\"A Dimensional Line Drawing Example, Source: Epitoniidae Seashell Illustration on Wikimedia Commons<\/u><\/a>, License: CC BY-NC-SA 3.0<\/u><\/a><\/strong>[\/caption]\r\n\r\nDimensional lines vary in weight (thick\/thin), value (light\/dark), and\/or focus (sharp\/fuzzy). They convey a sense of three-dimensional volume and space on a two-dimensional surface.\r\n

Implied Lines<\/h3>\r\n[caption id=\"attachment_1987\" align=\"alignnone\" width=\"640\"]\"A Collection of Gestalt Psychology Illustrations, Source: Gestalt Principles Composition on Wikimedia Commons<\/u><\/a>, License: CC BY-NC-SA 3.0<\/u><\/a><\/strong>[\/caption]\r\n\r\nImplied lines suggest, rather than explicitly define, edges and contours. They can imply movement, direction, or the Gestalt Psychology principle of closure. The Gestalt Psychology principle of closure occurs when a viewer fills in missing visual information to create a shape from open lines.[footnote]American Psychological Association, s.v. \"Gestalt Principles of Organization,\" in APA Dictionary of Psychology<\/em>, accessed July 2, 2026, https:\/\/dictionary.apa.org\/gestalt-principles-of-organization<\/u><\/a>[\/footnote]\r\n

Lost and Found Lines<\/h3>\r\n[caption id=\"attachment_1988\" align=\"alignnone\" width=\"1031\"]\"Hand-drawn Lost and Found Lines Implied Form Drawing Example with Annotations, Source: Think through the whole object on Sketchplanations<\/u><\/a>, License:<\/strong> CC BY-NC-SA<\/u><\/strong><\/a>[\/caption]\r\n\r\nArtists use lost-and-found lines for a multitude of reasons. To create a lost-and-found line, use a pencil to start drawing a line, then lift off the pressure until the pencil no longer touches the paper. This will emphasize line weight because a line is seen and then disappears.\r\n\r\nLost and found lines add specificity and character to a drawing. They are intentional and descriptive rather than sketchy. One of the key uses for these kinds of lines is to add volumetric detail, particularly for the reflective elements on glossy or transparent objects. Instead of enclosing lines to flatten a form, use lost-and-found lines to imply rather than deliberately create a shape.\r\n

Mechanical Lines<\/h3>\r\n[caption id=\"attachment_1989\" align=\"alignnone\" width=\"621\"]\"Diagram Mechanical Lines Drawing Example, Source: Ribbon-Drawing Technique on Wikimedia Commons<\/u><\/a>, License:<\/strong> CC BY-NC-SA<\/u><\/strong><\/a>[\/caption]\r\n\r\nMechanical lines are objective lines generally used in the technical description of form, characteristically uniform in width and character. These lines are deliberately precise in order to convey information, often in functional contexts such as in technical manuals.\r\n

Searching Lines<\/h3>\r\n[caption id=\"attachment_1990\" align=\"alignnone\" width=\"664\"]\"A Searching Lines Drawing Example, Source: Sketch Portrait on Aleksey-Pandzharov Gallery<\/u><\/a>, License:<\/strong> CC BY-NC-SA<\/u><\/strong><\/a>[\/caption]\r\n\r\nSearching lines are drawn freely and expressively in an attempt to capture the general characteristics, essential gesture, essence, and\/or structure of a live or still form. Searching lines give a drawing a sketchy quality, as form is built up through the repeated overlapping of (often) lightly drawn lines.\r\n

Structural Lines<\/h3>\r\n[caption id=\"attachment_1991\" align=\"alignnone\" width=\"816\"]\"Sketches Internal Structural Lines Drawing Example, Source: Shape Manipulation 010 Sphere Squish on Deviant Art<\/u><\/a>, License:<\/strong> CC BY-NC-SA<\/u><\/strong><\/a>[\/caption]\r\n\r\nStructural lines are used during the initial stages of a drawing to map out the shape, size, and proportion relationships within and between a composition\u2019s various forms. These lines reduce complex curves into smaller, more manageable segments, giving them a mechanical appearance. Structural lines are sometimes referred to as compositional lines.\r\n\r\n\"A\"Sketch\r\n\r\nLeft: The Vitruvian Man, Leonardo da Vinci, c. 1490, Source: picryl<\/u><\/a>. License: Public Domain CC0 1.0<\/u><\/a><\/strong>\r\n\r\nRight: Study on Human Proportions, Leonardo da Vinci, 1485-90, Source: picryl<\/u><\/a>. License: Public Domain CC0 1.0<\/u><\/a><\/strong>\r\n\r\nBoth images cropped by Elaine Wilson.<\/strong>\r\n\r\nA genius of human proportion is the Italian Renaissance master Leonardo da Vinci. In his two sketches above, you can see how he uses structural lines to plan out the features of the human face and body. The extremely famous artwork on the left, The Vitruvian Man,<\/em> also coordinates the human body with geometric shapes. Da Vinci believed that the human body was special, specifically because of its harmony with mathematical concepts. Another reason da Vinci was able to depict his human bodies so precisely is because he personally studied cadavers (dead bodies) with scientific precision, even though it was illegal at the time.\r\n

Cross Contour Lines<\/h3>\r\n[caption id=\"attachment_1992\" align=\"alignnone\" width=\"520\"]\"A Cross Contour Lines to Indicate a Lamp Example,<\/strong> Cross Contour Lines to Indicate a Lamp Example, Source:<\/strong> Sketchbook Lamp on Flickr,<\/u><\/a> License: CC BY-NC-SA 3.0<\/u><\/a><\/strong>[\/caption]\r\n\r\nCross-contour lines indicate form and shadow. Typically, artists add more lines or place lines closer together to imply darker values or form. Cross-contour lines travel across a form, rather than along the outline. Imagine what the trail of running your finger across the form of an object would leave. This would be a cross-contour line.\r\n\r\n[caption id=\"attachment_1993\" align=\"alignnone\" width=\"836\"]\"A Cross Contour Lines within a Drawing Example, Source: Cross-Contour Figure Drawing Study on Flickr<\/u><\/a>, License: CC BY-NC-SA 3.0<\/u><\/a><\/strong>[\/caption]\r\n\r\nCross-contour lines can be drawn horizontally, vertically, or both. However, they always describe the three-dimensionality of an object or surface.\r\n

Line Characteristics<\/h3>\r\n

Line Quality<\/h4>\r\n[caption id=\"attachment_1994\" align=\"alignnone\" width=\"1000\"]\"Hand-drawn Line Quality Collection with Annotations, Source: Basic Element of Art #1: Lines on Deviant Art<\/u><\/a>, License:<\/strong> CC BY-NC-SA<\/u><\/strong><\/a>[\/caption]\r\n\r\nThe quality of a line should match the intended depiction. For instance, a drawing of a reflective glass vase should have smooth, often delicate, and curved, thick-to-thin lines. Whereas the drawing of a rough-surfaced rock should contain short, often jagged, straight lines.\r\n\r\n[caption id=\"attachment_1995\" align=\"alignnone\" width=\"800\"]\"A Line Characteristics Loose Sketchbook Example, Source: Mountain Stream (1917) by Egon Schiele on Raw Pixel<\/u><\/a>, License:<\/strong> CC BY-NC-SA<\/u><\/strong><\/a>[\/caption]\r\n\r\nThe line quality should mimic the observed surface and structure. The line quality can be long or short, wide or skinny, rough or smooth, heavy or light.\r\n\r\nIf an artist intends to create drawings of objects that replicate the observed forms, they will want to avoid shaky, searching, and zig-zag lines. In essence, all of these types of lines lend to excessive line use that conveys a lack of confidence in drawing the perceived forms.\r\n

Line Texture<\/h4>\r\nTexture is an element of art that refers to the tactile quality of an object\u2019s surface. Texture can be experienced through the sense of touch (actual texture) or sight (simulated\/implied texture). Since this text deals with 2D drawing, we\u2019ll discuss how to create simulated texture.\r\n\r\n[caption id=\"attachment_1996\" align=\"alignnone\" width=\"735\"]\"Line Simulated Texture with Line Example, Source:<\/strong> Basalt Chopper Sketch on Wikimedia Commons<\/u><\/a>, License:<\/strong> CC BY-NC-SA<\/u><\/strong><\/a>[\/caption]\r\n

Simulated Texture<\/h4>\r\nSimulated texture, also known as implied texture, is the representation of an object\u2019s surface texture on a two-dimensional surface that mimics actual three-dimensional texture. Often, short lines or dots are used to imply the surface of an object.\r\n

Line Weight<\/h4>\r\n[caption id=\"attachment_1997\" align=\"alignnone\" width=\"797\"]\"A Line Weight Variation Example, Source:<\/strong> James McNeill Whistler - Landscape with a Fisherman on Wikimedia Commons<\/u><\/a>, License:<\/strong> CC BY-NC-SA<\/u><\/strong><\/a>[\/caption]\r\n\r\nLine weight is the visual lightness, darkness, thickness, or heaviness of a line within a drawing. To create line weight, artists change the pressure and layers of a drawing tool to create different lines.\r\n\r\n[caption id=\"attachment_1998\" align=\"alignnone\" width=\"600\"]\"Diagram Active Line Weight Variation Example, Source:<\/strong>[\/caption]\r\n\r\nCartoon Movement Effects on Free SVG<\/u><\/a>, License:<\/strong> CC BY-NC-SA<\/u><\/strong><\/a>\r\n\r\nIf you apply less pressure, the drawn line will be lighter. If you apply more pressure, you will create a darker line. However, be wary of applying too much pressure. You want to avoid heavy pressure, since this will indent the paper and make erasing difficult. If you need an even darker line, consider building it by layering the same line multiple times to darken it or increase its width.\r\n
Line Weight Hierarchy<\/h5>\r\n[caption id=\"attachment_1999\" align=\"alignnone\" width=\"822\"]\"A Line Weight Single Object Drawing Example,<\/em> Briana Miyoko Stanley, graphite on drawing paper, License: CC BY NC 4.0<\/u><\/a><\/strong>[\/caption]\r\n\r\n[caption id=\"attachment_2000\" align=\"alignnone\" width=\"547\"]\"Photograph Line Weight Hierarchy Photo Example, Source:<\/strong>[\/caption]\r\n\r\nBlack and White Pattern Photo on PX Here<\/u><\/a>, License:<\/strong> CC BY-NC-SA<\/u><\/strong><\/a>\r\n\r\nVariation in line weight along a single line emphasizes a drawing's perspective. Typically, heavy lines are observed in the foreground, while lighter lines occur in the background.\r\n

Line & Feeling<\/h3>\r\n[caption id=\"attachment_2001\" align=\"alignnone\" width=\"512\"]\"A Line and Feeling Drawing Example, Source:<\/strong>[\/caption]\r\n\r\nRaytraced Sphere #5 on Turtletoy<\/u><\/a>, License:<\/strong> CC BY-NC-SA<\/u><\/strong><\/a>\r\n\r\nVarying the thickness, density, value, texture, focus, direction, and\/or continuity of the lines in a drawing enhances visual clarity, describes form with greater specificity, and conveys a sense of three-dimensional volume and space on a two-dimensional surface. The lines in a drawing can vary in weight (thick or thin), in value (dark or light), and in focus (distinct or blurred). Line weight becomes more important as a drawing evolves into a completed work of art.\r\n

Realistic Objects and Implied Spatial Depth<\/h3>\r\nAlthough line weight variation is important for many kinds of drawing, its most noteworthy use in a foundation of drawing class is for creating realistically drawn objects from observation.\r\n\r\nWhen drawing objects from observation, start by intently looking at a three-dimensional reference composed of a variety of objects, some closer to you and some further away. As you observe, notice where you see distinct, clean edges and where edges may appear soft or blurred. You may notice these differences correspond with proximity, how close or far away the objects are, the surface texture (is it matte or reflective), or a lack of contrast between the object and background colors. Make note of these observations. Then, record them with a drawing tool such as a pen or pencil on paper with a variety of line qualities and textures.\r\n\r\nFor instance, if you observed a black mug with a glossy surface on a white background close to you, you likely observed a distinct edge along the exterior structure of the mug and slightly lighter reflective lines on the glossy surface of the mug. In line weight, this would translate to wider, distinct, and confident contour lines to capture the exterior structure of the mug and light, thinner lines to emulate the reflective lines on the mug\u2019s glossy surface. When drawing from observation with line, an artist is constantly looking back and forth between their reference and their drawing to determine and translate observations into a variety of line qualities and weights.\r\n\r\nWhen you transition from observing to drawing, keep note of these distinctions. As you draw the objects, record your observations by varying line weight. For objects you saw with distinct, clean edges, use crisp solid lines. For objects with blurred or soft edges, use light, thin lines. The lines you create to draw an object should be a record of the observed object\u2019s structure and edges.\r\n

Conclusion<\/h3>\r\nAs you practice and become more familiar with drawing, your confidence will improve as your artistic eye develops. The result will be a learned and intuitive understanding of when to vary line quality, texture, and weight throughout a drawing.\r\n

Licensing and Attributions<\/h2>\r\n\u201cLine.\u201d Written by Briana Miyoko Stanley. License: CC BY<\/a><\/strong>\r\n

Line Activities<\/h2>\r\n

Blind Contour Line Activity<\/h3>\r\n

Description<\/h4>\r\nUse the blind contour line drawing method to create at least two portrait drawings on separate sheets of paper. Choose two people to sit for you (friend, classmate, roommate, family member, etc.).\r\n\r\nThe blind contour line method requires you to only look at your subject, not<\/strong> at your drawing. If you look at the drawing tool or paper during the making process, you are cheating. Instead, you can only look at your reference. For this exercise, your reference is a person sitting across from you. Your goal will be to draw them without looking at your drawing in one continuous line. This creates the added challenge of creating the drawing with one line. The line can be straight, curved, etc., but the drawing tool cannot lift from the paper. Be patient, take your time, and prioritize observation of your reference. Relearning how to see with the intention of drawing the subject is the most important skill required for creating successful observation drawings.\r\n\r\nPlease note that the goal is not to create a drawing that looks like the subject, but rather to emphasize the importance of looking.\r\n

Project Parameters<\/h4>\r\n

Duration<\/h5>\r\n10 minutes total (5 minutes per drawing)\r\n
Size<\/h5>\r\n8.5x11\u201d minimum\r\n
Subject<\/h5>\r\nPortrait\r\n
Technique<\/h5>\r\nBlind Contour Line Drawing\r\n
Required Materials<\/h5>\r\n