Doodle style lettering is one of the most popular design trends right now. Especially for tshirts, PNG designs, and digital products.
In this tutorial, I’ll show you exactly how to create your own custom doodle letters in Affinity, from choosing the right font all the way to adding patterns inside your letters.

This technique is perfect for:
• Trendy tshirt designs
• Etsy PNGs
• Digital downloads
• Fun, hand drawn style graphics
Watch the full tutorial below to follow along step by step.
Step 1: Choosing the Right Font
We start by selecting a font that works well for doodle lettering.
In the video, I show you:
• What types of fonts work best (thick, bold, simple shapes)
• Why certain fonts are easier to customize
• How to set up your text for editing
Choosing the right font makes the rest of the process much easier.
Step 2: Drawing the Doodle Details
Next, we start adding the doodle effect.
In this step, you’ll learn how to:
• Draw squiggles and stitch style lines
• Add a hand drawn look to your letters
• Keep your design consistent across all letters
These small details are what give your design that playful, doodle style look.
Step 3: Adding Stroke Styles with Brushes
Now we take it a step further by using brushes.
In the tutorial, I show you how to:
• Apply different stroke styles
• Use brushes to create unique outlines
• Add variation and personality to your letters
This helps your design feel more dynamic and handcrafted.
Step 4: Adding Extra Details with the Pen Tool
To finish building out the doodle style, we add additional elements.
You’ll learn how to:
• Add dots, lines, and accents
• Use the pen tool for precise details
• Enhance the overall design
These finishing touches really bring your doodle letters to life.
Step 5: Filling Letters with Patterns
Finally, I show you how to fill your letters with patterns.
Using the Vector Flood Fill Tool, you’ll learn how to:
• Add patterns inside your letters
• Customize colors and placement
• Create a trendy, finished look
This step takes your design from simple doodles to a bold, eye catching final design.
Final Thoughts
Doodle lettering is a fun and versatile style that can be used for so many types of designs.
Try experimenting with:
• Different fonts
• Pattern styles
• Color combinations
• Seasonal or trending phrases
Once you get the hang of this technique, you can create endless unique designs.
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