ScanNCut: Julie's Four Fabulous Tips for Cutting Fabric - YouTube. Set your cutting speed to 1 (not defaults as shown by black outlines), and Cutting Pressure to 5 for quilting weight woven cottons. The machine will remain at any settings you choose, unless you reset them after use.
Scanning Complex Designs into ScanNCut. (What to do if you get the error message: Cannot operate when there are too many patterns.) Basically, you scan & save sections of the design (Overlap each section with the last one you scanned.) Then have the machine cut the design one section at a time.