This polar coordinate notebook is very useful for students, engineers and designers. Polar coordinates make the calculation easier for physicists and engineers. This is circular gridded sketchbook features with polar coordinate graph lines, perfect for drawing mandalas, sketching circular logos, and creating geocentric patterns with perfect radial symmetry. Create your own unique and amazing Mandala artwork from scratch with the inspiring mandala sketchbook. Ready to get creative and relax with drawing and coloring? Great gift for artists, designers, sketchers, doodlers, quilters, and hobbyists. What you will love about this book: Features: ⦁ Style: Beautiful stylish design colorful ⦁ Used in field: Circular design, Rangoli Design, Mandala Art ,Art, drawing, Mandala art sketching, technical and graphic design, logo Design. ⦁ Useful to: Students, engineers and designers, physicists, artist, sketcher, doodler, adults, teens,Hobbiest. ⦁ Paper: High quality thick white paper ⦁ Print: Excellent quality printing ⦁ Pages: 100 pages ⦁ Colors: Multicolor (Green, Golden, Blue, Black & Red) ⦁ Size: Letter Size - 8.5 x 11 Inches - 21.59cm x 27.94cm