Gestalt principle
Gestalt principle of closure
Learn why people mentally complete incomplete shapes and how closure can simplify icons, logos and visual cues.
In one sentence
The mind tends to complete missing visual information into a familiar whole.
Why it matters
Closure lets designers imply structure with less visual ink, but an incomplete form still needs enough cues to remain recognizable.
Applied example
An icon can omit part of an outline and still read as a complete object when the remaining edges strongly suggest the missing shape.
What to remember
- Remove detail only when recognition remains strong.
- Use closure to simplify, not obscure.
- Test incomplete forms at small sizes.
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