英文關鍵字
abstract
animated
animation
art
backdrop
background
black
circle
concept
design
dot
escher
geometric
graphic
hypnosis
hypnotic
illusion
impossible
line
loop
looping
magic
monochrome
motion
optical
paradox
pattern
point
polka
psychedelic
radial
round
seamless
spin
spiral
spot
stripe
swirl
texture
trick
tunnel
twirl
twist
vertigo
wall
wallpaper
wavy
white