Make a Poster With Your One Line Art
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Create a large poster using one line art: draw a continuous line image, add color, patterns, and a title, then display your artwork proudly.

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Step-by-step guide to make a poster with your one line art

What you need
Black marker, colouring materials such as crayons markers or watercolour paints, eraser, pencil, poster paper or large paper, scrap paper, stickers or decorative items optional

Step 1

Gather all your materials and find a flat workspace where your poster can lie down comfortably.

Step 2

Pick one subject to draw such as an animal a favorite object or a simple face.

Step 3

Practice drawing the subject as a single continuous line on your scrap paper several times.

Step 4

Lightly mark where your drawing and title will go on the poster with small pencil dots to plan the layout.

Step 5

Start at one dot and draw your full continuous line image on the poster with your pencil without lifting the pencil until the image feels complete.

Step 6

Carefully trace over your pencil line with the black marker in one steady continuous line without lifting the marker.

Step 7

Wait a few seconds for the marker to dry then gently erase any visible pencil marks.

Step 8

Add colors inside or around your line drawing using your colouring materials and fill large areas with bold shapes.

Step 9

Create simple patterns like stripes dots or swirls inside color areas to make your poster punchy and fun.

Step 10

Write a big bold title at the top or bottom of the poster and add stickers or decorations if you like then hang your poster somewhere proud to display it.

Step 11

Share your finished creation on DIY.org

Final steps

You're almost there! Complete all the steps, bring your creation to life, post it, and conquer the challenge!

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Help!?

What can I use instead of a black marker or poster paper if I don't have them?

If you don't have a black marker, use a fine-tip black pen, dark crayon, or thin paintbrush to trace your continuous pencil line during the 'Carefully trace over your pencil line' step, and if you lack poster paper use a sheet of cardboard or taped-together printer paper as the workspace for your poster.

My marker line keeps smudging or the pencil shows after I erase — how do I fix that?

Let the black marker dry fully for several seconds after the 'Carefully trace' step, then gently erase pencil marks with a soft eraser and avoid heavy pressure while tracing to prevent smudges and breaks in the continuous line.

How can I adapt this activity for different ages?

For younger kids, use larger poster paper, chunky coloring materials, and simple subjects to practice single-line drawings on scrap paper, while older children can use fine liners, add intricate patterns or shading in the 'Create simple patterns' step, and experiment with composition planning using pencil dots.

What are some ways to extend or personalize the finished poster?

Enhance your poster by adding collage elements or painted bold shapes around the one-line image before writing the big bold title, creating patterned fills inside color areas, or making a matching series of posters to hang together as a gallery.

Watch videos on how to make a poster with your one line art

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ONE LINE ART TUTORIAL | Beginners guide | How to draw and paint a one line portrait | iPad procreate

4 Videos

Facts about drawing and poster design for kids

✍️ Pablo Picasso often drew faces and animals with a single continuous line—he could capture a personality in one stroke!

🖊️ Blind contour drawing is a playful practice where artists keep their eyes mostly on the subject, not the paper, to train observation.

🌈 Changing the colors and patterns on a one-line design can flip its mood—warm colors feel lively, cool colors feel calm.

🖼️ Color lithography in the 1800s helped posters become bright, bold tools for advertising and public art.

🎨 Henri Matisse made elegant single-line portraits that show how just a few confident strokes can be very expressive.

How do I make a one-line art poster?

To make a one-line art poster, tape a large sheet of poster board to a table. Practice continuous-line drawings on scrap paper, then lightly sketch your subject with a pencil without lifting the pencil. Trace the final continuous line with a black fine-liner or marker. Add color inside or around the line with markers, watercolor, or colored pencils; add patterns like dots or stripes. Write a bold title, sign it, then hang or display proudly.

What materials do I need to make a one-line art poster?

Materials you'll need: a large poster board or heavy paper, pencil and eraser for practice, black fine-liner or marker for the continuous line, colored markers, watercolor or colored pencils for fills, a paintbrush and cup if using paint, a ruler for straight titles, masking tape to secure the paper, scrap paper for trials, and optional stencils or stickers. Protect your work surface and wear a smock to keep clothes clean.

What ages is this one-line art poster activity suitable for?

This activity suits ages 4 and up with adjustments: preschoolers (4–5) can make simple continuous scribbles and add color with guidance; ages 6–8 can draw recognizable one-line shapes and experiment with patterns; ages 9+ can create more complex compositions and lettering. Supervise younger children with markers or paint, and offer larger tools for small hands. Adapt difficulty by simplifying subject matter or encouraging layered details for older kids.

What are the benefits of making a one-line art poster?

Making a one-line art poster builds creativity, fine motor control, and planning skills because kids must imagine a continuous route. It improves focus and patience, encourages pattern recognition when filling shapes, and boosts confidence through a displayable finished piece. This low-pressure exercise supports problem-solving and visual storytelling, and it can be used for classroom projects, family galleries, or as a calm, screen-free activity that encourages self-expression.
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