Omnigrid Ruler, 4 x 18-Inch, Clear
All-over 1/8†grid30, 45 and 60 degree angle markings to cut accurate triangles, diamonds and hexagons Patented double-sight lines that show up on light and dark fabrics Heavy-duty durable acrylic material with edge markings for accurate measuring and laser cut edges for smooth, deep cutting Left- and right-hand numbering and angle system