Cut accurate quarter-square triangles with the Creative Grids® 90 Degree Triangle Ruler, designed by Rachel Cross for flexible geometric piecing. Use fabric strips up to 8-1/2in wide, then join four matching units to create a block measuring up to 16in finished. Horizontal guidelines marked every 1/4in provide a broad range of sizing options for quilts, patchwork, and other sewing projects.

The vertical center line helps you fussy-cut striped fabrics and cut half-square triangles, while the clearly marked 1/4in seam allowance supports accurate alignment and piecing. Made in the USA from high-quality acrylic, this ruler features precision measurements, easy-to-read black and white markings, and the exclusive Creative Grids® non-slip grip. Slide it freely over the fabric to position your cut, then apply light pressure to hold it securely in place. Fully illustrated step-by-step instructions are included, and the QR code printed on the instructions links to a how-to video and patterns created with the 90 Degree Triangle Ruler.

Total Size: 8-1/2" x 17"

90 Degree Quarter-Square Triangle Instructions