For those looking for an effective and memorable way to keep in contact with current and past clients, there are a variety of postcard templates to choose from. Easily customize each with your own text, colors, fonts and images.
In Illustrator, you can design patterns, complex graphics and work with type. You can learn to design printables fast with the Basic Printable Design Course from Printable Crush. Illustrator is a highly in-depth program, so taking a course is a quick way to learn the basics.