: Patterns are provided in multiple sizes, and the book includes a thorough glossary and general sock-knitting tips.

Op-Art Socks: Creative Effects in Sock Knitting - Amazon.com

: 6 patterns use only knit and purl stitches (shadow knitting, shifting ribbing) for more subtle illusions.

: The designs utilize various knitting methods to achieve optical illusions, including:

is a knitting pattern book by master knitter Stephanie van der Linden , published in November 2013 by Interweave . Inspired by the Op-Art (optical art) movement and van der Linden's own collection of ceramics, the book focuses on translating graphic optical illusions into wearable footwear. Book Overview