Small Origin Systems (Formerly known as the Wilma System)Origin System (Formerly Know as the Wilma System) Simple to Use, Delivering Great Results with Practically Any Medium! Origin (Wilma) Systems are great value for money and incredibly easy to use, producing exceptional results in almost any growing medium. All Wilma Small Systems come with 60cm x 60cm bases, but you can choose from multiple pot sizes and pot numbers by clicking on the dropdown menu. How the Origin (Wilma) Dripper System Works In Origin