JavaScript must be enabled in order to use this site.Please enable JavaScript in your browser and refresh the page. Perimeter line load The perimeter line load tool facilitates the drawing of multiple line load objects around the perimeter, with or without an offset. To draw a perimeter line load Choose the Perimeter Line Load tool (). Click anywhere on the slab. In the dialog box that appears, enter the Inset Distance, and click Apply. Parent topic: Drawing line loads