edc

   group { name: "main";
      parts {
         part { name: "base";
            type: RECT;
            description { state: "default" 0.0;
               min: 400 400;
               color: 100 100 100 100;
            }
         }
         part { name: "line";
            type: SWALLOW;
            description { state: "default" 0.0;
               //align: 0 1.0;
               //fixed: 0 1;
               rel1.relative: 0.0 0.5;
               rel2.relative: 1.0 0.5;
            }
         }
      }
   }