How to use the half square triangle formula
If you're ready to start sewing, you've probably realized that using a reliable half square triangle formula is the only way to keep your sanity when you're staring at a pile of fabric. Half square triangles—or HSTs, as most of us call them—are basically the building blocks of the quilting world. You see them everywhere: in star blocks, pinwheels, and those intricate chevron designs. But the math? That's where things usually get a bit fuzzy for people. ...