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.
Step 3: Fold the lower left corner up toward the center of the quilt making sure the fold is on the bias. Step 4: Fold the top left corner down toward the center of the quilt making sure the fold is on the bias. Step 5: Making sure the fold is on the bias, fold the top right corner down toward the center of the quilt.
Folding the hem. Decide where you want the hem to be in relation to your design. Count out the required distance from the outside edge of your embroidery. We will then fold the fabric along this line. To assist the fabric to fold we will use a technique known as scoring. Place the fabric onto a table, face down.