In Barbara's blog this month she shares more tips for Sizzle Month 4, including cutting tips that get her the fastest and most accurate results.
Barbara also suggests:
Watching Show 2401 again to see Becky pin and sew that small circle in place. Start at about 31 minutes to see this all-important step.
Watch Becky's Goldsmith's video Pinning and Sewing the Center Circle - even though it focuses on working with Block 8, the sewing process to set-in the circle is very similar.