SETTING TRIANGLE - ST

ST - Do  you love quilts that are set on point (AKA Diagonal Set)?  Do you remember the formula for those pesky little triangles?  Do you search through your reference books looking for the formula?  Well, LOOK NO MORE!  Just pick up your new Setting Triangle ruler, find the size of your unfinished block down the side and follow the line to the center to see the size of the strip you need to cut.