A corporate buyer approves a backpack mockup because the logo looks centered on the front pocket. The first stitched sample also looks acceptable while the bag lies flat. Then the bag is filled, the pocket curves, the zipper catches, and the logo appears slightly tilted when someone wears it. The embroidery may be clean. The problem is that approval was based on a flat picture rather than the way the product will be used. Embroidery digitizing for bags and backpacks works bes