See if this works with your machine
Made from .25-inch thick quality acrylic. A versatile ruler with multiple curves, a straight line and a notch for better control while stitching. Use with the HQ Ruler Base and HQ Sure Foot.
Ruler Dimensions: 3.5″ x 5.25″ This is the actual size of the ruler, not the size of design that will stitch when used with a longarm sewing machine.
Part Number: HQC HG00550
Guaranteed to fit because it is a part.