Sin Titulo (Untitled), Topología erótica, by artist Zilia Sanchez, is an acrylic painting on canvas made in 1970. It measures roughly six feet tall, and eight feet wide, and is hung in landscape orientation, meaning its longest side runs parallel to the floor. This painting is an example of an abstraction, which is a style of painting that focuses on the gestural movement of shapes and colors rather than depicting scenes or figures. Sin Titulo extends away from the wall, into three-dimensional space, in a way that blurs the line between sculpture and painting. The piece consists of two equally sized rectangular canvases, placed together side by side. Both left and right halves are identically mirrored, with a center seam in the middle, dividing both halves. Sin Titulo contains a pale grey background color that extends to the four corners and edges of the large three-dimensional painting. Layered on top of this grey rectangle is a slightly elongated, large white circle. Very similar to two capital letter “D”s placed back-to-back, this large, bright curved shape contrasts with the straight lines of the canvas and its grey background. The white circle almost reaches the four edges of the canvas, centered at around more than five feet tall and seven feet wide, in comparison to the larger, rectangular backing, leaving a narrow grey ridge around the periphery of the paintings. Centered in the white oval rests a smaller circle, around two feet in diameter, that projects outward into space. The edge of this three-dimensional shape, pushing from underneath the canvas, accentuates the smaller circle compared to the rest of the painting. Inside this jutting section, appears the indentation of a horizontal rod. This rod pushes up from underneath the canvas, creating a raised outline of itself in the center of this artwork.