As a mathematician and designer I could not resist the urge to talk about this product. The Golden Ratio first emerged as a mathematical term. It has fascinated mathematicians for thousands of years since Euclid first defined the concept in 300 BC. The Golden Ratio has many implications in geometry and mathematical properties. The Golden Ratio is an irrational number: 1.6180339887498948482…
Architects, artists and designers often used the golden ratio in their creations because it is believed to create aesthetics pleasing proportions. If you wish to explore the virtues of the Golden Ratio, you can buy a unique sketchbook designed by Olivia Lee. Her Golden Rules sketchbook contains grids that can help you draw objects with the golden proportions.
Refer to the review of Dezeen if you wish to better understand how to utilize the sketchbook.
+ Olivia Lee
+ Golden Rules sketchbook £6.50 at Spunique