Omnigrid 4.5″ x 4.5″ Square Ruler


The 4-1/2” x 4-1/2” ruler has the following standard Omnigrid® features:

  • 1/8” grid markings for drafting and cutting
  • Diagonal angle line
  • 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

3 in stock

SKU: NJ-OG45 Category: Tags: , ,


The Omnigrid® 4-1/2” x 4-1/2” ruler with 1/8″ grid features an extra ½” width for seam allowances and is a great template for 4” finished blocks; it is used to cut and square blocks 4-1/2” and under, and to trim and square foundation piecing blocks.
In general, Omnigrid® square rulers are used for secondary cutting of strips, and to square up finished quilt blocks.  Use with a rotary cutter or a straight-edge blade.


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