impossible circle . infinite circular . optical illusion. interlocking circles on white background. letter o or a ring.

font circle brand text diagram line logo presentation organ cartoon number label design green document advertising screenshot drawing pattern impossible shape blue gradient infinite circular optical illusion interlocking circles white background letter ring abstract endless geometric loop concept corporate creative cycle elegant icons idea identity infinity isolated ideas logotype mark object simple style stylish symbol technology trendy type typography unique web white-background zero shape illusion background ring loop multicolor colorful blue green yellow orange colorful