Good Measure Amanda Murphy Half Rectangle Ruler. The Good Measure name represents a high quality and accurate measuring system and the good that comes in the form of a donation to breast cancer research for every Good Measure Ruler sold. Make a difference while making something beautiful. Feel good about your choice to purchase Good Measure Rulers - the only rulers with a cause. The Half Rectangle ruler is designed to make half-rectangle triangles. Combined with the Bias Triangle ( #GMBT ) the Half Rectangle will make Triangle-in-a-Square Blocks.... - Good Measure Amanda Murphy Half Rectangle Ruler. | 
