Credit Card Painting: 2 Abstract Experiments

An easy layered swipe technique and a dot-and-swipe experiment for playful abstract backgrounds

If you've watched me work before, you've probably seen me reach for an old credit card. I use it to smooth down collage papers, to spread out paint I put down with a brayer, to stamp lines with the edge, or to scratch into wet paint so the layer underneath shows through. It's always a helper, never the main tool.

So I gave myself a little challenge. What if a credit card and some paint were all I had? No brushes, no brayer. Just a card, paint, and paper.

In this video, I try two experiments. The first one is easy and very satisfying. The second one I'd never done before, and honestly, it didn't work out the way I hoped. But that's part of the fun. Let's play and see where it takes us.

Materials:

• An old credit card, hotel key card, gift card, or any plastic card you have

• Acrylic paint in a few colors (a mix of transparent and opaque is fun to compare)

• Optional: Fluid acrylics or paint in small nozzle bottles, for the dot experiment

• Mixed media paper, watercolor paper, or any paper you like to play on, but sturdy enough so it would hold your paints

• Optional: Masking tape to divide your paper into a grid

• A scrap of paper or a paper towel to wipe your card

Instructions:

Experiment 1: Layered swipes

1. Tape a grid.
   Divide your paper into sections with masking tape. It gives you room for variations, and you never quite know what each little square will become. This is totally optional. It's just what I like to do.

2. Load your card.
   Put a bit of paint along the edge of your card. It doesn't have to be even.

3. Swipe.
   Pull the card across one or multiple sections and give the paint a shape. If there are still white spots, use the leftover paint on your card to fill them. Rough, patchy marks are part of the charm.

4. Switch colors.
   Wipe your card clean for a fresh color, or leave some paint on it for a mixed, dirtier look. Swipe in a different direction so the layers cross.

5. Notice transparent and opaque.
   Check the symbol on your paint tube. Transparent paint lets the layer underneath shine through, so pink over yellow suddenly turns orange. Opaque paint covers what's below.

6. Choose your texture.
   For smooth layers, let each one dry first. Because the card leaves only a thin layer, it dries quickly. Too impatient like me? You can get broken, textured swipes instead, which can look lovely too.

7. Keep your pressure light.
   Pressing hard makes the card draw lines in the paint. Try it once so you know the difference.

8. Peel off the tape.
   The most satisfying part. Leave it as it is, or use it later as a background for drawing, painting, or collage.

Experiment 2: Dots and one swipe

1. Tape a grid.
   Divide your paper into sections with masking tape. It gives you room for variations. This is totally optional. It's just what I like to do.

2. Place your dots.
   Put small dots of paint in different colors on your paper. Fluid paint or small nozzle bottles make this much easier.

3. Keep them close.
   Experiment with placing the dots close to each other, but try not to let them touch. Paint that touches already starts to mix before you swipe.

4. Pull in one move.
   Set your card just above the dots, press down firmly, and pull it down in one smooth swipe.

5. Wipe and try again.
   Shift the dots, change the spacing, or add some white to open the colors up. Each attempt teaches you something.

6. Let it be an experiment.
   This one is tricky. What I'd try next time: less paint, smaller dots placed closer together, firmer pressure, and maybe a paper that doesn't soak up the paint so quickly. Maybe you evaluate your work differently.

Final Thoughts:

The first experiment is one you can try today with whatever paint you have. The second one surprised me. I thought it would be easy, and it turned out to be something that takes practice. But even the swipes that didn't go as planned gave me backgrounds I'm happy to keep. Some of the dark ones even look like little figures to me.

That's the thing with play. When a piece doesn't become a finished artwork, it becomes collage paper, a background, or a spark for next time.

What's Next?

Explore further

You'll find more tutorials, experiments, and playful techniques throughout this blog. If you'd like guided practice, take a look at my online courses. Now and then I write from my studio about what's taking shape. If you'd like to read along, you're welcome to join my newsletter.

Try a variation

Swap your color palette, use only transparent paints, or turn your card sideways and swipe with the short edge. Small changes often lead to completely new results.

Reflect & continue

Take a moment to notice what surprised you. What worked? What felt uncomfortable? And if you've cracked the dot technique, I'd love to hear how you did it.

If you make something, I'd love to see it. Share it on Instagram and tag me, or leave a comment below.