英文關鍵字
abstract
animated
animation
art
background
black
check
checker
checkerboard
checkered
chess
classic
concentric
creative
cube
design
effect
escher
geometric
graphic
grid
hole
hypnosis
hypnotic
illusion
impossible
loop
looping
magic
monochrome
mosaic
motion
moving
optical
pattern
plaid
psychedelic
seamless
spin
spiral
square
tile
trick
tunnel
twirl
wall
wallpaper
wavy
white