Many professional vector logos are not created with the Pen tool, but from a few simple basic shapes. You layer circles, rectangles, and triangles on top of each other and then combine them with Boolean operations into a clean silhouette. That is exactly what this tutorial is about.
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Introduction
First I will show you the theory behind the four Boolean operations and then apply them directly in Affinity Designer. You don't need any prior experience drawing with Bézier curves. If you can create and move simple shapes, that is completely sufficient. By the end, you will understand how the shapes interact with each other and have an eye for how icons, cutouts, and entire logos can be built with them.
Key Takeaways
- Boolean geometry combines shapes using four basic functions: Add, Subtract, Intersect, and Divide.
- Add merges shapes into one cohesive object, Subtract cuts the top shape out of the bottom one.
- Intersect keeps only the shared area, Divide splits all overlaps into separate objects.
- With the XOR command you get the opposite of Intersect, meaning everything except the overlaps.
- This method often saves you from using the Pen tool and makes logos more flexible to adjust.
Step-by-Step Guide
Step 1: Understanding the Principle
Before you work with the program, it is worth taking a look at the basic principle. Boolean geometry describes how two or more shapes behave in relation to each other as soon as they touch or overlap. Take a circle and a triangle, for example. If you combine them with the Add function, they merge into a common shape. The outer edges are retained, but the overlap line disappears completely. The colors also blend, so you should check carefully later which color the result has.
Step 2: Creating Shapes and Layering Them
Open your document in Affinity Designer and create two simple shapes. First draw a rectangle in green and then place a circle on top of it, which you color blue, for example. The color is only an aid here: it makes the overlapping areas immediately visible. With the Move tool you can clearly see the intersections, and by clicking on the shape you see the outlines. Make sure the shapes actually overlap, because without an overlap there is nothing for the Boolean operations to process.
Step 3: Selecting Both Objects Together
For a Boolean operation to work, both objects must be selected. You have two options for this. Either you drag a frame over both shapes with the Selection tool, or you select them one after the other in the Layers panel on the right while holding down the Control key. The second variant is especially practical when shapes are close together or hidden.
Step 4: Finding the Geometry Panel
As soon as both shapes are selected, the Boolean functions are offered. In earlier versions of the software they were hidden under the menu item Layer and Geometry. Nowadays they are much easier to reach, and there you find the options Add, Subtract, Intersect, and XOR. Get used to keeping this panel in view, as you will need it for every logo project.
Step 5: Applying Add
Let's begin with the Add function. Click it, and the two shapes are merged into a single object. You still see an outline as a guide, but inside the shape there is no longer a dividing line. The combined object can no longer be pulled apart, unless you undo the operation. The color of the result is determined by the object lying underneath. In the example, that is the green rectangle, because the circle is on top. You should remember exactly this rule, as it determines the later color concept of your logo.
Step 6: Using Subtract for Cutouts
Next comes the Subtract function. This cuts the upper shape out of the lower one. With our rectangle and the circle above it, a hole is created exactly where the circle sits. This function is especially useful for icons and negative shapes, because you can use it to create rings, windows, cutouts, or letter cutouts. The order of the layers is crucial here: the upper shape is removed, the lower one remains. If the result isn't right, simply rearrange the layers and apply the operation again.
Step 7: Using Intersect for Shared Areas
The Intersect function keeps only the area where both shapes overlap. Everything else is removed. Imagine two circles meeting in the middle: after intersecting, only the lens-shaped overlap remains. This technique is ideal when you want to build complex shapes like a coffee bean without drawing a single Bézier curve. The result looks like a precisely drawn shape, but is created from two simple basic shapes. The color of the lower object is retained.
Step 8: Understanding the XOR Command
The XOR command is the opposite of Intersect. Here, exactly the area that overlaps is removed, while all remaining parts are kept. In logos, this can also look very appealing, for example when you want to create transparent patterns or light effects. Feel free to try out XOR, even if you may not need it right away. Often you discover design possibilities you didn't have in mind before.
Step 9: Editing Individual Parts with Divide
Perhaps the most important function for logo creation is Divide. It breaks all overlapping areas down into separate, independent objects. Each piece can then be freely edited, moved, and colored. This opens up many possibilities: you can split a logo into several colors, swap out individual elements, or create entirely new shapes that you would only be able to recreate laboriously with the Pen tool. If you select both shapes and choose Divide, three parts suddenly result in the example. You can then color them differently or move them individually.
Step 10: A Practical Example with Cups and Steam
Finally, I'll show you an example from a coffee shop project. The cup shape forms the base, and the steam is laid over it as its own silhouette. By using Divide or Subtract, the steam can be trimmed so that it blends cleanly into the cup. This way you can color or adjust individual parts of the logo separately without losing the overall picture. Incidentally, this approach works not only for coffee motifs, but for almost any icon or symbol.
Summary – Boolean Operations in Affinity Vector: Building Logos from Simple Shapes
With the four basic functions Add, Subtract, Intersect, and Divide, you can build the majority of typical logos. Add merges shapes, Subtract creates cutouts, Intersect isolates shared areas, and Divide makes each part independently editable. XOR rounds out this palette with the opposite of Intersect. If you internalize the basic rules and experiment with simple shapes, you will quickly become more confident and develop your own construction ideas.
FAQ
Do I have to let the shapes overlap before applying a Boolean operation?Yes, with Subtract, Intersect, and Divide there must be an overlap, otherwise there is no result. With Add, the merging also works if the shapes merely touch.
What color does the result have after adding?The combined object takes on the color of the object that lies below in the layer order.
Can I undo a Boolean operation?Yes, with the Undo function you get the original shapes back. However, after saving and closing the document, you should no longer expect to be able to undo the operation this way.
When should I use Divide instead of Add?Divide is suitable when you want to be able to edit the individual parts separately later. Add is the right choice when you need a firmly connected object.
What is the difference between Intersect and XOR?Intersect keeps only the overlap, while XOR removes exactly this overlap and keeps all other areas.
