The process of creating a SIM process screen print is both an art and a science. Starting with using Action Seps then combining, adding and editing into spot colors creates the illusion of a full color print. Careful adjustments need to be made to create the perfect combination of spot colors.
This can be done in Illustrator or Photoshop. The above EF design was created in Illustrator using layers of gradients. The examples below were created in Photoshop.