Radian describes the plane angle subtended by a circular arc as the length of the arc divided by the radius of the arc. One radian is the angle subtended at the center of a circle by an arc that is equal in length to the radius of the circle.
The Timepiece Quilt used in this tutorial measures 56 inches by 70 inches, but this method can be used on any size quilt. 1  Step 1: Lay your quilt on a bed, table or other flat surface. 2  Step 2: Fold the lower right corner up toward the center of the quilt making sure the fold is on the bias.
Sew the binding to the quilt with a 1/4-inch seam allowance using a walking foot. Again, remove the pins as you approach them. Do not stitch over the top of any pin. See Binding a Quilt for how to handle the corners, as well as, how to handle the beginning and ending tails of the bias strip.