optical illusion . two balls with a four pointed stars pattern are moving on rotating purple stars green funnel

abstract are art background ball balls bluff center chimera circularly concentric concept deceptive delusion distorted dream endless eye eyesight fallacy fancy fantasy four funnel green hole illusion illustration imagination middle motion motley mottled movement moving optical pattern phantasmagoria pipe pointed purple rotating round seeming space sta stars style surface surreal trick two vector vision visual visually