Not an exact science

Someone asked me the other day, “How different can the same drawing be?” Here are two drawings that use the same paper, pens, drawing wheel patterns. Skipping pen ink, my inattentiveness, or perhaps not enough coffee, resulted in the drawing on the right.

Tools sometimes can't make up for human nature. Red and black ink pen on bristol board, 14x17 inches. Copyright Mary Wagner
Mary Wagner, red and black ink on bristol board, 14×17 inches.