While I was flicking through a copy of Kerstin Martensson's Kwik Sew method for Easy Sewing (1980), which I had picked up second hand, I came across a technique I just had to try. The book states "To sew a perfect circle, place a thumb tack on your sewing machine with the point sticking up. Hold the tack in place with a piece of transparent tape. Poke the tack through your fabric and pivot the fabric around the tack as you sew." Ta- Da!!
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