Never cut out patterns.use thin interfacing to trace them off the original. This method uses freezer paper to trace the pattern and then IRON IT ONTO YOUR FABRIC and cut the fabric piece. Freezer paper just peels right off and is reusable.
This shows how sewing machine tension is like a tug of war. Sew Sweetness: Sewing Back-to-School: Stitches Tension
From wavy to wonderful: How to sew straight lines
Sewing straight lines on fabric is so much harder than I thought. Here are some great products and tips for how to sew straight line. With this tutorial, now my stitches are perfect when sewing and machine quilting.