Krn.png Brush «2027»

First, I should check if "krn.png" is a known resource in the art community. Maybe it's a custom brush created by someone named Krn. Alternatively, "krn" could stand for something like "Kernel," but that might not be directly relevant to a brush. Alternatively, it could be a typo or a specific term in a software. Let me think about common software where brushes are used, like Adobe Photoshop, Procreate, GIMP, or Krita. Maybe this brush is specific to one of these tools.