I have two kits ( same) called "wheel of mystery". They are pre-cut curved bali pieces.... but it looks intimidating to me. I've finished two quilts so far and was thinking of combining the 2 kits to make a larger quilt. One makes a finished 40" x 50" wall hanging. Any tips on sewing curved pieces? Do I use the regular foot / walking foot? Kits by John Flynn--very pretty. Thanks for any input