extend
to make something bigger/longer
infinite
endless
internal
Inside sth
interlocking
how 2 or more things are joined together
equilateral
having all sides or faces equal
aesthetic
a particular taste to what is pleasing to your eyes, ears, feel.
identical
exactly the same
symmetrical
same on both sides
structure
something (such as a building) that is constructed
repetition
The action of repeating something
arrangement
How things are organised. Eg. Flower arrangement
dimensions
measurements
reproduce
to make a copy