|Image © PeteM2020|
Rubin face or the figure-ground vase is a famous set of ambiguous or bi-stable two-dimensional forms developed around 1915 by Danish psychologist Edgar Rubin. (Just what you were dying to find out!)
I spent some time in Photoshop fiddling with this image to get the illusion to work – take too much away, or not enough, and it falls apart. I’m quite chuffed with the final result!