abstract
algorithm
background
black
chaos
design
endless
equilateral
esoteric
evolution
fibonacci
flat
fractal
gasket
geometric
glyph
icon
illusion
illustration
isolated
line
magical
math
mathematics
monochrome
mosaic
optical
outline
pattern
penrose
plane
power
pyramid
recursion
science
seamless
shape
shuriken
sierpinski
sieve
silhouette
symbol
symmetry
theory
thin
triangle
triforce
white