Grace QuiltCAD Pantograph Design Software QuiltCAD: the quilt layout and pattern placement tool PatternCAD: the continuous line pattern design editor The power of QuiltCAD lies in its simplicity and in its functionality. These two fully-integrated applications enable you to go from pattern creation to finished quilt stitching in a matter of minutes. You will be astonished at the ease by which you can create beautiful continuous line patterns and quilt stitch designs.