ENGINEERING-GRADE GRID PAPER: Large-format 11x17 isometric paper with precise 30, 60, and 90 degree lines—ideal for 3D perspective drawing, CAD drafts, and visualizing complex structures 50 SHEETS IN A USEFUL PAD: Includes 50 pages of landscape isometric grid paper. FADE-OUT BLUE LINES: Printed in light blue copy-fade ink that disappears during most photocopying (varies by photocopier), keeping your designs clean and professional HEAVYWEIGHT DRAFTING STOCK: Made with high-quality drafting paper for reliable erasing, ink holdout, and everyday use in the classroom or studio MADE FOR CREATORS & ENGINEERS: Perfect for architects, industrial designers, students, and anyone who needs precision layout paper for 3D sketches, models, or geometric drawing