抽象主義
abstract
art
asymmetric
asymmetry
black
blackwhite
circle
circular
colorless
concentric
dots
dotted
element
form
graphic
grayscale
greyscale
gyre
illustration
lines
minimal
misc
miscellaneous
monochrome
monocrome
motif
motiff
op
opart
optical
pointillism
pointillist
radial
radiating
rotating
rotation
semicircle
shape
spiral
swirl
torsion
twirl
uncolored
visual
volute
vortex
whirl
white