Arthur Luiz Piza, Brazilian, 1928 to 2017, a color etching with carborundum, circa 1975. Carborundum is a substance used in printmaking to create textures and tones in prints. The artwork features intricate patterns, textures, and vibrant colors characteristic of Pizas oeuvre. signed lower right and numbered 53 of 99 lower left. Luiz Piza was known for his abstract and geometric works. Vintage Prints And Art Collectibles.