PORTAL CINETICO , by loutphi , 2020 , abstract, illustration , Op Art style , from the series Op Art , Orange, Line, Pattern
A picture of an orange and black optical illusion.
An orange and black optical illusion is displayed on a white wall. The illusion is composed of a series of concentric circles and lines that form a spiral shape. The lines are black and yellow, and are interspersed with a yellow and orange background. There are also small blue triangles on the bottom of the image.