Tubular pasta is a type of pasta that is shaped like a tube. It includes MACARONI, RIGATONI, ZITI, PENNE, CANNELLONI, and faggioli. MACARONI is a short, curved pasta with a hollow center, while RIGATONI is a larger version of MACARONI with ridges along the outside. ZITI is a long, tubular pasta with a smooth surface, while PENNE is a short, diagonal-cut tube with ridges along the outside. CANNELLONI is a large, tube-shaped pasta filled with a variety of ingredients, and faggioli is a short, curved tube with a hollow center.