abstract

animated

animation

art

attention

background

black

caution

circular

concentric

concept

creative

danger

design

escher

geometric

graphic

hazard

hypnosis

hypnotic

illusion

impossible

infinity

loop

looping

motion

movement

optic

optical

paradox

pattern

psychedelic

safety

seamless

security

spin

spiral

swirl

texture

tunnel

visual

wall

wallpaper

warning

warp

wave

wavy

whirlpool

yellow