I'm sorry to say that I'm no longer teaching workshops. That's not to say I never will again, but for now, I just can't be away from home for any length of time.
My Machine Piecing Blog is described below.I hope you can find lessons there that will help you with your quilting journey.
Machine Piecing with Marsha McCloskey
Step-by-step Winter Star Tutorial
Perfect Piecing is within your reach!