This Isometric Graph Paper Notebook is printed on high quality stock and sized at 8.5" x 11", it is a perfect size for classroom, work or personal use. The interior has 150 pages with 1/4" equilateral triangles. It has a wide range of uses from engineering to game designs, mapping and designing objects for 3D printing, quilting patterns and mathematical studies. It is also fun for drawing, doodles, and coloring. The fun Blue Jeans...