抽象主義
deformation
abstract
art
artistic
backdrop
background
black white
blackwhite
bw
circle
circular
colorless
distortion
dynamic
ellipse
elliptical
freeform
graphic
graphical
grayscale
greyscale
illustration
intersecting
irregular
lines
minimal
misc
miscellaneous
monochrome
monocrome
op
opart
optical
oval
patern
pattern
random
scattered
spiral
swirl
texture
torsion
twirl
uncolored
visual
vortex
warp
whirlpool