There is evidence that the human brain prefers to view compositions made up of nested small groups,
There is something inherently appealing and satisfying in compositions that are groups of small numbers of elements, typically two, three or four, but rarely more than seven.
Therefore:
Keep your design composed of groups of elements, and groups of groups, which contain no more than nine elements at any scale, and focus more on small groups of two, three and four.
When … In laying out a Public Space System (p. 45), a Walkable Streetscape (p. 93) or a specific building or structure, consider the groupings of elements and whether they are legible to residents...
Then This pattern is a valuable aid in achieving Human-Scale Detail (p. 154) and other characteristics of a more legible, human-centered design...
See more Geometric Patterns