The rule of threes is a principle that theorizes that things look best arranged in odd numbers.
The principle is based on the idea that odd-numbered pairings allow the eye to settle in the middle, creating visual interest and a dynamic look that is more visually pleasing than even-numbered groupings.
In practice, this rule can be applied in many ways in interior design, such as:
- Putting three different-sized decorative accessories together.
- Hanging five pieces of compatible art in a vertical line on a wall.
- Placing an odd number of similar or complementary color cushions on a sofa.
- Arranging three, five or seven potted plants on a windowsill.
Overall, the rule of threes is a simple but effective way to create a visually balanced and interesting design in any room.