Originally Posted by
Jan in VA
Here is my tutorial on many different triangles, including the Half Square Triangles you need. It's in pdf. format so you will need adobe reader to open it. That is available free on the internet for download.
As a quick reference, make your base squares ONE INCH larger than the desired half square triangles, then trim them down for better accuracy after sewing them.
Jan in VA
Jan thanks for that reference. I am learning here too.