Slashed canvas and gauze, 39 1/2 × 31 5/8" (100.3 × 80.3 cm). A monochrome canvas pierced by a single decisive slash, breaking through the picture plane to reveal the space behind. [[Lucio Fontana|Fontana]]'s radical gesture challenged the two-dimensionality of painting, embodying his [[Spatialism|Spatialist]] manifesto.