enventor/data/templates/Rect.edc

collections {
   base_scale: 1.0;
   group { "main";
      parts {
         rect { "rect";
            desc { "default";
               rel1.relative: 0.0 0.0;
               rel2.relative: 1.0 1.0;
               color: 0 136 170 255;
            }
         }
      }
   }
}