i have a sample that i dont have any idea how to do.it is a box and when i put it under light (ceiling.sun)rainbow colors begin to dance.anybody knows? is it about a technique or speacial ink or coverage.
p.s:i uploaded a short video about what i am talking on.
thanks in advance.
Box - YouTube
p.s:i uploaded a short video about what i am talking on.
thanks in advance.
Box - YouTube