Drawing used as a base object to produce repeated congruent figures to cover a surface, like a tessellation, or to create a border, like a frieze, or set of numbers used to suggest a numerical sequence.
Example
- In the number sequence 1, 2, 3, 1, 2 3, 1, 2, 3, …, the set {1, 2, 3} is the base element of the sequence.
- In the frieze
The base element is:
