Creative Grids 12-1/2 X 12-1/2-Inch Square It Up And Fussy Cut Quilt Ruler (CGRSQ12)

International via AIR. 12 1/2-inch x 12 1/2-inch Non-Slip Ruler. This is a handy and popular size for squaring up blocks. Exceptional quality.

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Dots & Plaids Cotton Fabric 184

Use the horizontal, vertical, and diagonal markings to square up any block – up to an 8-1/2 inch square. Use these lines to center and trim embroidery

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Creative Grids USA ®

Creative Grids 12-1/2in Square It Up or Fussy Cut Square Quilt Ruler - CGRSQ12 : Arts, Crafts & Sewing

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12 Inch Square Ruler

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Creative Grids USA ®