How-To: Basic Top-Down Double Triangle Shawl Formula The following project is from The Knitting All Around Stitch Dictionary: 150 New Stitch Patterns to Knit Top Down, Bottom Up, Back and Forth & In the Round by Wendy Bernard. Measurements and Yarn Requirements for Triangular Shawls Yarn measurements will depend on a lot of factors, but to help you get started, take a look at this table for the approximate number of yards you might need. These numbers are based on a shawl that is twice as...