Download Free Tutorial. This quarter-square triangle tutorial is available as a free PDF file. It can be downloaded by using the Add to Cart button below and following the instructions on the next page. Disclaimer: This free tutorial and all photos are co

Welcome to my updated and expanded tutorial on how to make perfect quarter square triangle units. Since I first published it in 2012, this has been my most popular tutorial ever – thank you Pinterest! Now it’s 2018 and I thought it was time to give it

Quarter square triangle units are square patchwork units that are made up of four equally-sized 90-degree triangles. The fabric's sturdy straight grain runs parallel to the longest side of each triangle, where it helps keep the outer edges of units fr