Penelope's Rose aka NWT-4 Mystery
This pattern has several shaping options. It is semi-circular or circular, depending on the desired shape. Instructions for both are included. The shawl or blanket is worked in sections.
For a shawl, use fingering or sock weight with a size 6. For a blanket, use worsted weight and a size 10 needle. Feel free to use whatever weight yarn and hook size is desired.