Draw around the INSIDE of the embroidery hoop onto the cardboard. Make two cirles. Cut tthe circles inside the drawn line. finished cardboard circles should be approximately 1/8th smaller than the inside of the embroidery hoop.
Place a cardboard circle on a double thickness of batting and draw around it. Cut out two circles of batting. They should be the same size as the cardboard circles.
Thread a needle with about 24" of sturdy thread. Starting and finishing on the right side of the fabric, make a running stitch close to the edge of one close to the edge of one fabric circle. Flatten the circle out, leaving the two tails of thread off to the side. Wiht the right side of the fabric circle facing down, centre a cricle of batting on the wrong isde , then place a cardboard circle on top of the batting. take the ends of thread and pull them to gather the fabric tightly around the cardboard circle. Knot the thread securely to hold the fabric tight. (This step is similar to making a yo-yo). Repeat for the second fabric circle.
Sandwich the two cardboard circles, wrong sides together and which stitch tightly all around the edge. this becomes the base of your thread catcher.
Two fabric circles sewn together