Book excerpt: ISOMETRIC GRAPH PAPER NOTEBOOK - 0.25"/ 0,76 cm EQUILATERAL TRIANGLES TOTAL 100 PAGES - 8.5'' x 11'' Isometric graph paper notebook is printed with a dashed line (0,5 pt). Ideal for any kind of 3D designs including architecture, woodworking, engineering, landscaping, interior design, art drawing or sculpture. It is useful to draw puzzles or complex or labyrinthine 3D images with boxes and staircases. This can be used for planning 3D projects or maths geometry in schools, colleges and professionals as well. Product Details: Premium Matte-Finish cover design Printed on Chlorine-Free, Acid-Free paper Portable Size 8.5" x 11" (21.59cm x 27.94cm) Convinient page count Double-sided (the grids are printed on both sides of every page) Non-perforated Check the ''Look inside'' and back cover for samples. Check for more products under brand/author name (DiaPrintLab) and series (GRAPH BOOKS) Will appreciate your feedback or let us know about your preference via email.