I am making a quilt with pairs of strip sets. One strip set has the seams going one way, the other has the seams going the other way. I am to place the two sets right sides together and match the seams before cutting into 6-1/2" squares. Each pair of squares is to then be cut once on the diagonal, then the two resulting pairs are to be sewn together, forming the HST's.
The interesting part is figuring out which side of the triangle to start sewing on to keep the machine from