Right Triangle Ruler

Prym Americas Verified independent store

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The Omnigrid square triangle ruler is used to create quarter and half square triangles for finished quilt blocks; it has seam allowance calculations included in the measurements. U sed 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 Edge markings for accurate measuring and 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 Show more