Download free PDF Step by step guide 1.Cut a piece of fabric measuring 41.5 x 65 cm and two circles, each with a diameter of 22 cm, using the template (seam allowance included).2.Fold the square piece in half lengthwise and sew 2.5 cm in from both sides, leaving a space for the zip measuring 36.5 cm.3.Press the seams before sewing the zip. The zip is approx. 4 cm too long and must be shortened.4.Unzip the zip slightly. Sew across the zip a couple of times 3 cm from the end and cut so that only about 1 cm remains.5.Sew the circles together with right sides facing. Turn right side out and turn the seam allowance towards the square piece.6.Topstitch 0.5 cm from the edge.7.Insert the bolster cushion into the cover.