PurismBlume was involved with a style called Purism, which emphasized exquisite contours and simplified shapes. Purism deletes all the messy and confusing aspects of life, leaving a clarified modern classicism. Blume had mastered the look, as we see in these crisply drawn arms and hands. Still, there's something in the way the knife slicing away a potato skin is poised against the vulnerable thumb, perhaps to cut more deeply. Blume could find a dark tension in this game of edges and surfaces.