Crackers come in many shapes and sizes, such as round, rectangular, triangular, or irregular. The plane can be tiled using equilateral triangles giving the triangular tiling. These all contribute to a skull that is more rectangular in view rather than triangular. Most have large dome-shaped canopies made from a single layer of triangular cloth gores. It has five equilateral triangular faces meeting at each vertex. Pencils are commonly round, hexagonal, or sometimes triangular in section. Buttress threads are of a triangular shape. The sails above vary in shape from square to triangular. Their front sight had a more triangular shape. There is a pool tool feature with triangular, square and octagonal pool tools. Toblerone is known for its distinctive shape, which involves a series of joined triangular prisms. They all have triangular and quadrilateral faces. Samoyed ears are thick and covered with fur, triangular in shape, and erect. Each of the three corners of the triangular structure has a round projection. The shape is evolving to be more triangular, deeper and larger.