Omnigrid Right Triangle 45 Degree Up To 8in Square Ruler

A right triangle for creating 1/2in square triangles up to 8in which are then used to create up to 8in diagonal 1/2 squares. The Omnigrid 8in half square triangle ruler is used to create half-square triangles for finished quilt blocks up to 8”; it has seam allowance calculations included in the measurements; it is easy to manipulate for smaller triangles when quilting. In general, Omnigrid triangle rulers are used to cut half-square and quarter-square triangles; seam allowances are included in the measurements, which are based on the finished size of the quilt block Use with a rotary cutter or a straight-edge blade The half square triangle ruler has the following standard Omnigrid features: Edge markings for accurate measuring Laser cut edges for smooth, deep cutting Patented double-sight lines that show up on light and dark fabrics Heavy-duty durable acrylic material Left- and right-hand numbering and angle system