Strata Quilts: Layer Upon Layer There are many ways of creating the illusion of layers in quilt design, but one of my favorites is freeform curved piecing. To access this post, you must purchase AQS Membership – Lifetime, Digital, AQS Membership – Lifetime, Print, AQS Membership – 1-year, Digital, AQS Membership – 2-years, Digital, AQS Membership – 3-years, Digital, AQS Membership – 1-year, Print, AQS Membership – 2-years, Print or AQS Membership – 3-years, Print. Members Only