See if this works with your machine
Made from .25-inch thick quality acrylic. Use the HQ oval set C to make curved lines – flower blocks and looped border designs. Comes in 12” – and 8″ templates. Ruler packaging includes instructions for use – safety tips and design ideas. Use with the HQ Ruler Base.
Dimensions: 11.5" x 5.5" x 0.25"
Part Number: HQC HG00619
Guaranteed to fit because it is a part.