Create a gorgeous cushion cover using a quilting block that is suitably called a cathedral window. This tutorial will show you how to sew the quilting block into a cushion cover, but this technique can be used to make quilts and even bags. For this cushion, I’ve used the Mosaic Essentials Trend 5 fat quarter pack in the colour Teal from The Craft Cotton Company with a plain white cotton. It is best to use contrasting fabric to get the full effect of this patchwork design if y