Answer:
1.) It helps to interpret Designs and understand it with technical ability.
2.) If a pattern piece has a place on the fold line, place that line exactly on the fold of the fabric. Pin the pattern along the fold. Extend pin tips beyond the fold so you don't accidently cut along the fold of the fabric.
3.) Because fabric that is off grain or cut out on the wrong grain can cause your completed project to twist out of shape.
