“Obelisk” (2020) by the artist Leander Herzog is a work of generative art that I find inspirational. I admire the artwork because it utilizes simple colors and geometries to create a hypnotic effect. The color palette and the motion remind me of the Op-Art of artists like Bridget Riley. I suppose that the algorithm behind this generative art work generates vertical and horizontal lines and restricts them so that they only display in specified areas. For the vertical lines, I believe there is a variable that adds an increasing value to the x-coordinate of the endpoints, and for the horizontal lines, I believe a similar increasing variable is applied to the y-coordinate of the endpoints. Most likely, there is also code in place to reset these values when the variable has increased to a certain number, so that the motion loops. I think that the algorithm reflects the creator’s attraction to the ideas of repetition and permutation.