books.google.ru - Mathematical craftwork has become extremely popular, and mathematicians and crafters alike are fascinated by the relationship between their crafts. The focus of this book, written for mathematicians, needleworkers, and teachers of mathematics, is on the relationship between mathematics and the fiber...https://books.google.ru/books/about/Making_Mathematics_with_Needlework.html?hl=ru&id=k0zNBQAAQBAJ&utm_source=gb-gplus-shareMaking Mathematics with Needlework
