Creative Grids Triangle Squared Ruler 9-1/2in Hexagons and ironically its a top

and ironically its a top seller

Digital Trucking Along Found Here

& gives a sheer cut

and an instruction booklet with step-by-step directions

Creative Grids Triangle Squared Ruler 9-1/2in Hexagons and ironically its a topThis Triangle in a Square ruler features a 2 to 1 ratio to cut proportional Triangle Squared blocks that finish to 9 inches. Use these triangles to piece a saw tooth border or use it as a companion to the Perfect Rectangle ruler (CGRTMT3) to create Perfect Triangle in a Square blocks. The ruler slides easily over the fabric until pressure is applied. Then, our exclusive gripper holds the fabric in place while cutting, eliminating slipping and miss