Whitelines Engineering Pad instantly digitizes your creations. Paper works with your phone. It is perfect for engineers who like to create designs by hand but still want to have a digital copy to save, share or submit through a learning-management system. The free Whitelines App makes it simple to scan, save and share your art by automatically detecting, capturing and letting you manage the quality digitally. The app also removes the background. Ultra-smooth, 20 lb. paper features a frame front grid on both sides and is three-hole punched for easy insertion into three-ring binders. Engineering Pad contains 80 sheets and a removable topsheet. It is glued along the top edge so it's easy to use by the left-handed as well as the right-handed.