Square up quilt blocks perfectly with this 15" Omnigrid® ruler. The laser-cut edges of this square measuring tool let you slice fabrics seamlessly with a rotary cutter or straight-edge blade, while the edge markings assist you with accurate measurement for precise trimming. This Omnigrid ruler is made with heavy-duty acrylic to ensure durability.
Diagonal angle line for cutting 45-degree half-square triangles
Double-sight lines for visibility on light and dark fabrics
Left-hand and right-hand numbering and angle system for easy alignment